Features
New book tells story of incredible courage shown by two Dutch Jewish sisters during World War II
Reviewed by BERNIE BELLAN In early August we received an email from a publicist for HarperCollins by the name of Rebecca Silver, who’s sent us interesting books to consider reviewing in the past.
Here’s how Rebecca’s email read:
Hi Bernie,
Roxane van Iperen did not know what she would eventually uncover in her home after she moved in, but later discovered it was once known as the High Nest and became enthralled with the inspiring story of its former occupants. As she unearthed the history behind her own walls, she learned it was a safehouse for Jews in the Nazi-occupied Netherlands. From then on, van Iperen was determined to explore its hidden corners and found she had unprecedented access to two sisters’ personal archives to create this remarkable work of narrative non-fiction.
The High Nest was one of Holland’s most daring rescue operations conducted by Jews for Jews. Through her excavation, she learned the story of two sisters, Janny and Lien Brilleslijper, who joined the Dutch Resistance, helped save dozens of lives, were captured by the Nazis, and ultimately survived the Holocaust. Through renovating her home, the sisters’ ingenuity and drive to survive was exposed by double walls, secret doors, and walled-off annexes that were so well concealed they were left undetected for decades.
Originally published in The Netherlands as The High Nest, the book was awarded the 2019 Opzij Literature Prize, an annual Dutch award given to female authors whose work has contributed to the emancipation, evolution, and awareness of women. Janny and Lien’s story is a remarkable story of resistance, strength, and determination — one you must read to believe.
All the best,
Rebecca
Included with Rebecca’s email was the following synopsis of the book: Eight months after Germany’s invasion of Poland, the Nazis roll into The Netherlands, expanding their reign of brutality to the Dutch. But by the Winter of 1943, resistance is growing. Among those fighting their brutal Nazi occupiers are two Jewish sisters, Janny and Lien Brilleslijper from Amsterdam. Risking arrest and death, the sisters help save others, sheltering them in a clandestine safehouse in the woods, they called “The High Nest.”
This secret refuge would become one of the most important Jewish safehouses in the country, serving as a hiding place and underground center for resistance partisans as well as artists condemned by Hitler. From The High Nest, an underground web of artists arises, giving hope and light to those living in terror in Holland as they begin to restore the dazzling pre-war life of Amsterdam and The Hague.
When the house and its occupants are eventually betrayed, the most terrifying time of the sisters’ lives begins. As Allied troops close in, the Brilleslijper family are rushed onto the last train to Auschwitz, along with Anne Frank and her family. The journey will bring Janny and Lien close to Anne and her older sister Margot. The days ahead will test the sisters beyond human imagination as they are stripped of everything but their courage, their resilience, and their love for each other.
Based on meticulous research and unprecedented access to the Brilleslijpers’ personal archives of memoirs and photos, The Sisters of Auschwitz is a long-overdue homage to two young women’s heroism and moral bravery—and a reminder of the power each of us has to change the world.
Author bio: Roxane van Iperen is a Dutch writer and lawyer who resides in the countryside east of Amsterdam, in a home known as “The High Nest” which was once the center for one of Holland’s most daring rescue operations conducted by Jews for Jews. She was shortlisted for the biggest public prize in Holland, NS Publieksprijs’ Book of the Year.
Now for my review of “The Sisters of Auschwitz”: The information I’ve quoted verbatim from Rebecca Silver’s email gives as complete an idea what the book is about as one might like. The question with which I want to deal is whether I would recommend this book.
It was a year ago precisely that I wrote about a book that was also based on documents that had been found hidden for years and which opened up an entirely different perspective on certain facets of the Second World War. That book was titled “The S.S. Officer’s Armchair – Uncovering the Hidden Life of a Nazi”. (You can read my review by entering the word “armchair” on our website when you click on “search archives”.)
Of course, there’s a world of difference in reading about a hitherto undisclosed account of what life was like for an S.S officer in contrast with the lives of two Jewish sisters (and their families), but the comparison is fair to make because, in both cases, through a combination of luck and great diligence, the authors of the two respective books were able to piece together their subjects’ lives.
As I made my way through “The Sisters of Auschwitz”, knowing that the two sisters who are at the heart of this book actually survived Auschwitz did not detract from the suspense that the author builds in telling the story. Every Holocaust survivor has their own unique story to tell, but it’s in the telling of the story that the great books separate themselves from the more mediocre ones. And, as is evidenced by author Roxanne van Iperen having been shortlisted for Holland’s most prestigious literary award, this book is not just a fine piece of reporting what the author discovered, it’s very wonderfully written.
Rebecca Silver’s email tells you about as much as you need to know about the story that was unearthed by van Iperen’s having had the good fortune to have lived in the house – the “High Nest”, which became the hiding place for Janny and Lien Brilleslijper, along with a great many other Jews, for a good part of World War II. What the author also does so well is describe the terrible fate that befell so many of Holland’s Jews during the Holocaust, when almost 75% of the Jewish population was exterminated, either by being murdered in Holland, sent to labour camps where they perished from exhaustion and hunger, or finally were gassed in death camps, particularly Auschwitz.
I’ve read before how so many Dutch citizens cooperated fully with the Nazis. It still comes as a shock to contemplate that fact because we’ve come to regard Holland as such a liberal state, which for the longest time was thought of as a mecca for those in pursuit of sex and drugs. But when you realize that 76,000 Dutch Jews were sent to their deaths, in no small part because so few Dutch gentiles were willing to come to their aid, it certainly leaves a different impression of the Dutch for Jews who might have thought of the Dutch as being active resisters to the Nazis. Sure, there were many brave souls in the Dutch resistance, but the Nazis were as comfortable in Holland as any Western European country, where they found many Dutch who were all too willing not only to work for the Nazi regime, but who were as cruel as many Nazis in carrying out their duties.
That’s not the major theme of “The Sisters of Auschwitz”, but as you read of Janny and Lien’s constant worry about being betrayed during the fairly long period in which they were able to avoid being detected by Nazi hunters, who were primarily Dutch citizens – zealous in their pursuit of Jews, it’s hard not to wonder whether there was a much deeper anti-Semitism engrained within the Dutch than perhaps we’ve thought.
While the first half of “The Sisters of Auschwitz” deals with Janny and Lien’s being able to hide from the Nazis, also their active involvement in the Dutch resistance, once the storyline moves from Holland to the sisters’ (along with their younger brother and both parents) being transported to Auschwitz, the book becomes nothing less than an outright horror story.
Before Janny was captured, by the way, she was in hiding in Amsterdam, along with her non-Jewish husband, Eberhard, where they were both quite active in the resistance. Once she is captured –and tortured, however, how she manages to endure the horrors that are subsequently thrust upon her is a testament to this woman’s utter resilience. While Lein is brave, nothing compares to Janny’s determination to carry on, no matter how many times you might think to yourself: “Why didn’t she just give up and let herself die?”
Whether it was being starved, beaten, or forced to spend hours naked outside in freezing temperatures, Janny not only managed to endure, her incredible willpower also enabled her to keep Lein alive at the same time – many times when Lein was ready to give up.
What might come as the greatest surprise to readers moreover, is the introduction of the Frank family into the story: father Otto, mother Edith, and sisters Margot and Anne. I was always under the impression that Anne Frank died in Auschwitz, but I was wrong; she died in Bergen Belsen, along with her sister Margot. If the details given in “The Sisters of Auschwitz” are accurate, the fact that Margot and Anne even made it as far as Bergen Belsen after having been in Auschwitz is largely due to the care that was given to both of them by Janny and Lein when both Frank sisters were suffering from typhus in Auschwitz.
As much as this book is a compelling read, I admit that I had a hard time with the many foreign names in the book. There are so many different characters introduced – and that is largely a reflection of just how many different Jews the two sisters were able to hide in the “High Nest” at one time or another, that it became quite confusing for me, as did the names of the sisters’ children. Still, I’m sure that if you concentrate on trying to remember who is who (and I’m terrible at that), it will all come together for you.
Just as reading “The S.S. Officer’s Armchair”, which was published in 2020, enabled an entirely new understanding of what life must have been like for an ordinary Nazi official – 75 years after that particular individual likely died, reading “The Sisters of Auschwitz” also opens up an insight into how some Jews were able to endure the tortures inflicted upon by them by the Nazis that, were it not for a quirk of fate, would also have remained undisclosed.
“The Sisters of Auschwitz”
By Roxane van Iperen
320 pages
Published by HarperCollins
Released for sale August 31, 2021
Available on Amazon
Features
Hacker and Fraud Prevention for Online Gambling Profiles
Safeguard your online casino & sports betting accounts from cyber threats
Follow these 10 vital steps to reinforce your online gambling profile by enabling two-factor authentication, using VPNs, unique passwords and more.
With the global online gambling market projected to reach over $100 billion by 2026, securing your online casino and sportsbook accounts is more critical than ever. As digital wallets swell with winnings so too does the motivation for cybercriminals to steal credentials and loot accounts.
#1. Activate Two-Factor Authentication
Topping the list is two-factor authentication (2FA) – requiring two credentials to login instead of one at FanDuel. Often this entails providing your password plus a one-time code sent via SMS or email.
Per an Oracle study, implementing 2FA would have thwarted 99% of historical cyber attacks that involved stolen credentials.
Most regulated online gambling sites offer 2FA, accessible under account settings. Turn it on immediately for stronger defense.
#2. Never Reuse or Recycle Passwords
A cardinal sin is recycling the same password across multiple sites or services. Once one account is breached, cyber thieves can access more accounts using that same password.
To avoid this, every account deserves a unique, strong password. For simplicity, utilize a password manager app to randomly generate and store site-specific passwords.
#3. Install a VPN for Public Wi-Fi Access
When playing online casino games on shared/open wireless networks, your data flows openly and risks interception. That’s where virtual private networks (VPNs) come in.
VPNs encrypt all network traffic to and from your device. This protects your gambling activity and account credentials from Wi-Fi eavesdroppers. VPNs also disguise your IP address.
Some top-rated services include NordVPN, ExpressVPN and CyberGhost.
#4. Keep Software Updated & Run Anti-Virus Scans
You must keep computers and mobile devices updated with the latest OS and security patches. Postponing critical updates leaves open dangerous holes that malware exploits.
Likewise run reputable anti-virus scans to catch viruses attempting to infiltrate systems and spy on login credentials for financial accounts.
#5. Verify the Security & Encryption of Sites
When signing up at online betting sites and casinos, verify the legitimacy of their security measures:
- Confirm the address starts with HTTPS, not HTTP
- Check that data transmissions are encrypted using at least 128-bit SSL
- Ensure site has proper licensing
- Review privacy policy for data storage and sharing
Reputable sites will display trust badges from companies like Norton and TrustE.
#6. Avoid Account Sharing
While tempting to give friends or relatives access to funded accounts, sharing login credentials is extremely risky. You lose control over deposits/withdrawals while exposing yourself to potential theft.
Instead, gift deposits to other player accounts or refer them to open their own secure accounts.
#7. Beware Account Takeover Scams
Exercise caution if contacted unexpectedly about unusual account activity. Savvy scammers will pretend a breach occurred to trick you into handing over your username and password.
If concerned about account integrity, directly access the site yourself and contact customer support – don’t click any links in unsolicited emails.
#8. Monitor Financial Statements
Carefully review online betting account and credit card statements to detect unauthorized transactions right away. Dispute unrecognized activity ASAP to limit losses.
For further vigilance, some banks offer real-time purchase alerts via email or SMS.
#9. Don’t Save Payment Info
Saving credit card or e-wallet details on gambling sites for faster future deposits also expedites withdrawals – by you and potentially hackers.
Instead, manually enter payment info each time to contain potential damage from any account infiltration.
#10. Create a Secure Email
A strong yet oft-overlooked defense is creating a secure email account strictly for gambling transactions. Keep it completely separate from your personal email to isolate threats.
Use a nickname, enable 2FA and establish a strong password using special characters, numbers, case changes and 15+ letters.
Table: Comparison of Top VPNs for Online Gambling Site Security
| VPN Service | Encryption Standard | Number of Server Locations | Allows P2P Traffic | Number of Simultaneous Connections | Money Back Guarantee |
| NordVPN | AES 256-bit | 5400+ | Yes | 6 | 30 days |
| ExpressVPN | AES 256-bit | 3000+ | Yes | 5 | 30 days |
| CyberGhost | AES 256-bit | 7400+ | Yes | 7 | 45 days |
Fortify Your Online Gambling Fortress
As online casinos and sportsbooks explode in popularity, no player is immune to the growing plague of cyber fraud and account theft.
Guard your profile by enabling two-factor authentication, setting strong passwords, installing critical software updates and more. Also research site security measures and payment options.
Features
Vital Role of True Randomness in Modern Computing
The critical need for true randomness in cryptography, simulations, and more
True randomness is essential for encryption, statistical sampling, simulations, and more computing applications to work effectively. We explore why.
The concept of randomness often evokes thoughts of unpredictability and chance occurrences. However in the world of computing, having access to true randomness is vital for many critical applications to function properly. Without the ability to generate random values and data, key aspects of modern technology simply would not work reliably.
In this article, we will explore what constitutes true randomness from a computational perspective, why it is crucially important, and some of the ways that software and hardware attempt to produce randomness reliably. Gaining insight into this topic highlights the dependence much of digital functionality has on the availability of non-deterministic, uniformly distributed random data.
What Makes Randomness “True”?
For data to be considered truly random from an information theory perspective, values must satisfy key mathematical and statistical qualities, for example at Lucky Seven Casino. True randomness implies meeting three core criteria:
- Uniform distribution — All potential values have an equal probability of occurring so that no bias exists towards certain numbers.
- Independence — The value at any position does not relate to or depends on values at other positions. Previous numbers do not influence future ones.
- Unpredictability — Knowing some values provides no useful information to predict other values. Guessing upcoming numbers is mathematically impossible.
Hence, true randomness requires generated data featuring high entropy (information density) with no observable patterns or correlations over any length or time period analyzed. Values must pass various statisticatests of randomness to qualify. True randomness exists only in specific natural phenomena scientists believe exhibit fundamental uncertainty such as radioactive decay. Computational methods can attempt to produce randomness but technically generate only an approximation usually called pseudo-randomness. However for many practical purposes, computationally generated randomness proves sufficient if it passes robust statistical testing.
Why True Randomness Matters Cryptography
Arguably, the area with the most crucial dependence on true randomness is cryptography. All modern encryption technologies require random number generation to ensure security. Encryption systems work by utilizing random numbers for:
- Key generation
- Initialization vectors
- Salts
- Nonces
- Padding
Any bias, predictability or correlation within random values used for the above purposes significantly compromises encryption protocols and introduces vulnerabilities. With trillions of dollars transferred online daily and vast amounts of sensitive data stored digitally, safeguarding cryptography requires high-quality random number generation rooted in solid entropy sources.
Simulations & Modeling
Outside of security, many more computing applications need randomness to operate correctly per their design intent. Monte Carlo simulations extensively utilize randomness to model complex real-world behaviors by running many iterations with differing random inputs. Financial analysis, climate modeling, nuclear reactions and molecular behavior represent common Monte Carlo simulation applications.
Games, Artificial Intelligence & Machine Learning
Gaming, AI and ML commonly incorporate randomness to increase variation, introduce unpredictability, and improve realism. For example, non-player characters in video games use randomness for movement, dialog and behavior to feel more lifelike and less robotic. AI/ML leverage randomness to train networks more thoroughly against a wider possibility space and build more resilient models less prone to biases.
Generating True Randomness via Hardware
Given the pervasive need for genuine randomness across computing, how do software and hardware reliably produce it? Most systems today use either specialized hardware random number generators or hybrid combinations of hardware and software.
Hardware options utilize the inherent randomness within low-level physical phenomena to produce entropy. Different techniques for generating randomness exist but most hardware implementations focus on three main sources:
- Thermal Noise
- Semiconductor Quantum Physics
- Chaotic Oscillator Outputs
| Generator Type | Description |
| Thermal Noise | Amplifies and extracts random electrical noise from resistor thermal vibrations |
| Quantum Physics | Leverages quantum mechanical properties like photon emission timing from LEDs/lasers |
| Chaotic Circuits | Uses unpredictable oscillator circuit outputs from chaos theory |
Semiconductor-based solutions can generate high bitrates up to 5Gbps using compact modern chip fabrication allowing extensive harvestingof entropy. However these sources derive from complex, random physical processes proving impossible to predict or fully model mathematically. This unpredictability provides excellent entropy quality unattainable via software algorithms alone.
Most general-purpose computers now integrate random number generators within CPUs allowing applications access to decent hardware-based random data. For the highest security use cases, dedicated standalone hardware random number generators exist exceeding >100Gbps speeds. Hence accessing genuine randomness is available today even on common computing devices.
Cryptographically Secure Pseudo-Random Number Generators
While hardware mechanisms utilize hard-to-predict physical phenomena to produce randomness, software solutions must take a different approach. Algorithmically-generated randomness cannot achieve true randomness from a physics perspective. However clever mathematical techniques like cyclical algorithms can generate randomness passing many statistical tests of randomness within their output bit length limits.
Cryptographically secure pseudo-random number generators (CSPRNG) serve as the premier software-based method for generating randomness. CSPRNGs work by repeatedly applying cryptographic primitives like hash or cipher functions on initial random seed values. This process produces a chain of output bits not reproducible without the original seed key. Leading CSPRNG algorithms include:
- Hash_DRBG
- HMAC_DRBG
- CTR_DRBG
Software libraries implement these CSPRNGs so developers can integrate quality randomness into applications with proper seeding. Seeding establishes the initial starting point for randomness generation using an entropy source like hardware random number generators or timing variability.
CSPRNGs allow the production of vast quantities of randomized data for any purpose needed. Compared to hardware mechanisms limited by physics on maximum speeds, algorithms scale boundlessly in the bits created as long as adequate computational power exists.
Yet key differences between software and hardware randomness remain. While CSPRNG outputs pass statistical testing and contain no observable patterns, their pseudo-randomness means given the same seed, the exact same value sequence will generate each time. Also, if a CSPRNG algorithm or implementation has flaws, adversaries could predict and exploit output resulting in compromised security. Still, with proper cryptographic design and regular reseeding, CSPRNGs provide quality randomness for most software needs.
Conclusion
From the above exploration, we see true randomness plays a pivotal role across computing – from cybersecurity to simulations and beyond. While no substitutes for true physically-derived entropy exist, modern hardware and hybrid hardware-software solutions provide abundant randomness for practical usage.
However as computing continues evolving with new technologies like quantum, ensuring high-quality randomness generation tackles emerging information security and system reliability challenges. Access to ample true randomness stands necessary now for current computing functionality and lays the foundation for future innovation.
Features
News from Israeli hotels
Introduction: The current wars in Gaza and Lebanon have had a disastrous effect on Israeli tourism. Recently we were contacted by a friend in the advertising business in Israel who asked us whether we would help to promote a couple of well-known Israeli hotels – who are hoping for a huge rebound in bookings once the wars come to an end.
Here is news about two leading Israeli hotels:
Mr. Roy Avidor is the new GM at The Ritz-Carlton, Herzliya.
We are delighted to welcome Roy Avidor as the new General Manager of The Ritz-Carlton, Herzliya!
Roy brings over a decade of leadership in the international hospitality industry, with a proven track record of operational excellence.
Most recently, Roy served as Director of Operations at the Sheraton Grand Tel Aviv, where he oversaw daily operations across multiple departments, always ensuring the highest standards of service. Prior to that, he held management positions at Celebrity Cruise Line and Isrotel Hotel Chain.
Roy’s extensive background in luxury hospitality, combined with his passion for service, makes him the perfect addition to our team and to his newest position as General Manager.
Boaz Elani Appointed General Manager of Sheraton Grand Hotel Tel Aviv
Boaz Elani has been named the new General Manager of the Sheraton Grand Hotel Tel Aviv, a prestigious property within the global luxury Marriott portfolio.
Bringing extensive expertise in luxury hospitality, Boaz most recently served as the General Manager of the Ritz-Carlton Herzliya, also part of the Marriott group. During his three-year tenure, he successfully navigated the hotel through two major challenges: the COVID-19 pandemic and the conflict in Israel. His steadfast dedication to exceptional service significantly enhanced guest satisfaction, solidifying the hotel’s reputation as a premier destination.
“I am honored by Marriott’s trust in me and thrilled to join the Sheraton Grand Tel Aviv team,” said Boaz. “This hotel holds a distinguished place as one of Israel’s finest and most iconic. Following its comprehensive renovation, we are committed to delivering unmatched experiences for our guests and continuing its tradition of excellence.”
The Sheraton Grand Tel Aviv, overlooking the Mediterranean, features 320 beautifully redesigned rooms, including premium, deluxe, and club accommodations, along with luxurious suites. Guests staying in club-level rooms enjoy exclusive access to the 18th-floor lounge, offering breathtaking sea views. The recent renovations incorporate modern aesthetics with natural, seaside-inspired materials, creating a serene and inviting ambiance.
The hotel boasts a range of world-class amenities, including a newly updated beachfront pool, a popular sushi bar open to both guests and the public, and a renowned gourmet breakfast. Its versatile meeting spaces and state-of-the-art conference halls have garnered international acclaim, earning it the 2024 World MICE Award for Best Event and Conference Hotel.
In line with Marriott’s global commitment to sustainability, the Sheraton Grand Tel Aviv has held Green Key Certification since 2014, highlighting its dedication to environmentally responsible practices.
With Boaz Elani at the helm, the Sheraton Grand Tel Aviv is poised to further elevate its status as a premier destination for both leisure and business travelers.
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