Israel has issued a travel warning ahead of the upcoming Jewish high holidays and the second anniversary of the Oct. 7, 2023, atrocities, alerting citizens of heightened terrorist threats against Israelis and Jewish communities abroad.

On Sunday, the National Security Council (NSC) urged travelers to stay alert, cautioning that the two-year anniversary of the Hamas-led invasion of and massacre across southern Israel could trigger attacks by Iran-backed or Hamas-linked terrorist groups targeting Jews and Israelis abroad.

“The recent period has been characterized by continued efforts to carry out terrorist attacks against Israeli and Jewish targets by the various terrorist organizations (most of them led by Iran and Hamas),” the NSC said in a statement.

“Oct. 7 may again serve as a significant date for terrorist organizations,” the statement read.

Israeli officials warned that the threat mainly stems from Iran and its terrorist proxies, which have increasingly targeted Jews and Israelis beyond Israel’s borders.

In recent months, the NSC reported that dozens of plots have been thwarted, even as violent incidents — including physical attacks, antisemitic threats, and online incitement — have continued to rise.

“With the war ongoing and the terror threat growing, we are witnessing an escalation in antisemitic violence and provocations by anti-Israel elements,” the NSC said in its statement.

“This trend may inspire extremists to carry out attacks against Israelis or Jews abroad,” it continued.

According to the NSC, Iran remains the leading source of terrorism against Israelis and Jews worldwide, acting both directly and through proxies such as Hamas and Hezbollah.

“Iranian motivation is growing in light of the severe blows it suffered in the framework of ‘Operation Rising Lion’ and the growing desire for revenge,” the NSC said in a statement, referring to the 12-day war with Israel in June.

Amid rising tensions over the war in Gaza, Israeli officials have previously warned of Iranian sleeper cells — covert operatives or terrorists embedded in rival countries who remain dormant until they receive orders to act and carry out attacks.

In light of this reality, the NSC also warned that social media posts revealing ties to Israeli security services could put individuals at risk of being targeted.

“We advise against posting any content that suggests involvement in the security services or operational activities, including real-time location updates,” the statement read.

This latest updated warning comes amid a growing hostile environment and a shocking surge in anti-Jewish hate crimes targeting Jews and Israelis worldwide.

Across Europe, Israelis are facing a disturbing surge of targeted attacks and hostility, as a wave of antisemitic incidents — from violent assaults and vandalism to protests and legal actions — spreads amid rising tensions following recent conflicts in the Middle East.

On Saturday, a 29-year-old Israeli and his sister were attacked by three Palestinian men while on vacation in Athens, Greece.

According to local media reports, the two siblings were walking through the city’s center when three unknown individuals carrying Palestinian flags approached them, shouting antisemitic slurs.

The attackers assaulted the Israeli man, a disabled Israel Defense Forces (IDF) veteran, scratching him, throwing him to the ground, and striking him with their flagpoles, while his sister attempted to intervene and protect him.

October 7 is a global war against Jews & Israelis.

Pro-Palestinian radicals just attacked an Israeli man in Syntagma Square, Athens. via @N12News https://t.co/IZR2IdNrUI pic.twitter.com/9S2o4IjtO6

— Eylon Levy (@EylonALevy) September 14, 2025

Greek authorities arrested all five individuals involved in the incident. According to the Israeli man’s father, his son was placed in a cell with 10 Arabs, where he was reportedly beaten again and feared for his life.

In a separate antisemitic incident earlier this year, a group of Israeli teenagers was physically assaulted by dozens of pro-Palestinian assailants — some reportedly armed with knives — on the Greek island of Rhodes.

After leaving a nightclub, the teens were followed to their hotel, where they were violently assaulted, leaving several with minor injuries.

In another example of rising anti-Israel sentiment and hostility toward Jewish communities, one of Britain’s most prestigious military academies, the Royal College of Defense Studies, announced Sunday that it will bar Israeli students from enrolling next year, citing concerns over the war in Gaza.

In Belgium, two IDF soldiers attending the Tomorrowland music festival were arrested and interrogated by local authorities following a complaint from the Hind Rajab Foundation (HRF), an anti-Israel legal group that pursues legal action against IDF personnel, accusing them of involvement in war crimes.

According to HRF, the soldiers were seen waving the flags of the IDF’s Givati Brigade, which they claimed has been “involved in the systematic destruction of civilian infrastructure in Gaza and in carrying out mass atrocities against the Palestinian population.”

In France, a 34-year-old Algerian man was sentenced to 40 months in prison for threatening passengers with a knife and making antisemitic death threats after boarding a train at Cannes station.

In another incident earlier this year, a Jewish man wearing a kippah was brutally attacked and called a “dirty Jew” in Anduze, a small town in southern France.