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Vendors Cite Global Teams as Iran War Raises Travel Questions From IsraelSeveral Israeli cybersecurity firms say they still plan to attend RSAC 2026 despite the Iran war. Companies including Orca Security, Check Point, Cyera and Radware say their global workforce structure allows them to maintain conference participation even if travel from Israel remains difficult.

Steals SMS messages, location data, contacts … and delivers it to Hamas-linked crew Hamas-linked attackers are dropping spyware disguised as an emergency-alert app on Israelis' smartphones via SMS messages, according to security researchers.…

Experts Urge Preparedness, Nonstop Vigilance, See Ongoing Risk of Online ReprisalsSeven days into the United States and Israel continuing "major combat operations" against Iran, Tehran continues to respond with kinetic attacks against neighboring countries. While no cyberattacks have emerged, experts see unpredictability and continue to urge caution, monitoring and preparedness.

Also: Anthropic Claude Code Security Impact on AppSec, RSAC Conference PreviewIn this week's panel, four ISMG editors discuss the potential cyber spillover from escalating tensions in the Iran-Israel-U.S. conflict, the market disruption sparked by Anthropic's Claude Code Security launch and a preview of RSAC Conference 2026.

A bank, an airport, a non-profit and the Israeli branch of a US software company were among the targets of this new MuddyWater campaign

New research from Broadcom's Symantec and Carbon Black Threat Hunter Team has discovered evidence of an Iranian hacking group embedding itself in several U.S. companies' networks, including banks, airports, non-profit, and the Israeli arm of a software company

MOIS-linked MuddyWater crew has a new, custom implant An Iranian cyber crew believed to be part of the Iranian Ministry of Intelligence and Security (MOIS) has been embedded in multiple US companies' networks - including a bank, software firm, and airport, among others - since the beginning of February, with more activity in the days following the US and Israeli military strikes, according to security researchers.…

Attack infrastructure attributed to 'several Iran-nexus threat actors' Multiple Iranian hacking crews have been targeting internet-connected surveillance cameras across Israel and other Middle Eastern countries since the war started on February 28, according to Check Point security researchers. …

Separately, Iran Tied to IP Camera Hacks for Targeting and Battle Damage AssessmentU.S. military cyber operations underpinned the first part of the country's joint strike with Israel against Iran on Saturday. Since then, experts see signs of at least low-level cyber operations to support intelligence-gathering for kinetic attack targeting.

Cybersecurity researchers have warned of a surge in retaliatory hacktivist activity following the U.S.-Israel coordinated military campaign against Iran, codenamed Epic Fury and Roaring Lion

Iranian Cyberespionage Group MuddyWater Goes DarkPhysical effects rather than cyber strikes are triggering Middle Eastern connectivity problems during day four of a sustained U.S. and Israeli bombing campaign against Iran. Iran is responding with drone and missile attacks targeting U.S. military as well as British bases in Bahrain, Cyprus.

Espionage campaign exploits Israel-Iran conflict, distributing a trojanized Red Alert app via SMS

Iran and its supporters have taken to cyberspace to retaliate for US-Israeli military action, with an aim to cause economic and physical disruption.

Nation-State Hackers Sheltering From Bombs or Cut Off From InternetIranian cyber proxies are girding for revenge while nation-state hackers in Tehran have gone quiet, whether to shelter from an onslaught of missile attacks or because the Middle Eastern country remains disconnected from the global internet on the third day of a U.S. and Israeli bombing campaign.

Experts Warn of DDoS, Ransomware, Proxy And Other Attacks on Health SectorThe escalating conflict emerging from the U.S. and Israel military strikes this weekend on Iran, which killed the country's top leadership and crippled its internet connectivity, could erupt into cyberattacks against the healthcare sector by Iranian sympathizers and proxies, experts warn.

'Expect elevated activity for the foreseeable future' Iranian hackers have launched spying expeditions, digital probes, and distributed denial of service (DDoS) attacks in the wake of the US and Israel launching missile strikes over the weekend, and security researchers urge organizations to expect more cyber intrusions as the war continues.…

US and Israel May Have Launched 'Largest Cyberattack in History' Against TehranOrganizations across the West and allied nations should prepare for Iranian cyberattacks in the wake of Israeli and U.S. ongoing strikes, threat intelligence firms warned as the first signs of the Iranian cyber counteroffensive became clear on Sunday