Latest cybersecurity reporting from selected sources.

An Iranian hacking group affiliated with Iran's Ministry of Intelligence and Security (MOIS) has been wielding a previously undocumented modular command-and-control (C2) framework dubbed Cavern (aka Cav3rn) targeting Israeli organizations

Check Point researchers have identified a new cyber adversary targeting Israeli government and IT businesses, tracked as ‘Cavern Manticore’

Ababil of Minab Claimed Hacktivism, But Research Points to IranResearchers say Iran-linked operators behind Ababil of Minab, not independent hacktivists, disrupted L.A. Metro in March by stealing data, deleting systems and targeting backups, signaling a shift toward destructive attacks on recovery infrastructure.

Ababil of Minab Claimed Hacktivism, But Research Points to IranResearchers say Iran-linked operators behind Ababil of Minab, not independent hacktivists, disrupted L.A. Metro in March by stealing data, deleting systems and targeting backups, signaling a shift toward destructive attacks on recovery infrastructure.

The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026

Also, YellowKey Bypasses BitLocker, Škoda Breach, Kingdom Market Operator JailedThis week, U.S. lawmakers urged action on AI, a BitLocker exploit. Škoda, Nvidia’s GeForce NOW partner and telehealth firm OpenLoop reported breaches. Patch Tuesday. A dark market operator sentenced and pro-Ukraine and Iranian-linked hacking. Nitrogen ransomware attack on Foxconn.

The Iran-linked hacking group MuddyWater (a.k.a. Seedworm, Static Kitten) launched a broad cyber-espionage campaign targeting at least nine high-profile organizations across multiple sectors and countries. [...]

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation

Stryker Has Said It Doesn't Carry Cyber insuranceStryker notified regulators that its March cyberattack will impact the medtech maker's first quarter financial results. The company also does not appear to have a cyber insurance policy in place to help cover costs associated with the disruptive incident claimed by Iranian hackers.

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

TriMed Is Among Several Other Medical Device Firms Recently AttackedA California maker of implantable orthopedic gear is the latest medical device maker in recent weeks to disclose it's been a victim of a cybersecurity incident. The disclosure of the hack on TriMed comes on the heels of an Iranian hacktivist attack on Stryker and a data theft from UFP Technologies.

TriMed Is Among Several Other Medical Device Firms Recently AttackedA California maker of implantable orthopedic gear is the latest medical device maker in recent weeks to disclose it's been a victim of a cybersecurity incident. The disclosure of the hack on TriMed comes on the heels of an Iranian hacktivist attack on Stryker and a data theft from UFP Technologies.

Experts Cite Prepositioning Risk in Iranian Cyber Operations Amid Escalating WarWarnings from Iranian-linked hacking groups targeting U.S. water systems highlight a growing risk of prepositioned cyber access and rapid attack activation, analysts told ISMG, as federal defenders confront rising geopolitical tensions and operational strain across critical infrastructure sectors.

Experts Cite Prepositioning Risk in Iranian Cyber Operations Amid Escalating WarWarnings from Iranian-linked hacking groups targeting U.S. water systems highlight a growing risk of prepositioned cyber access and rapid attack activation, analysts told ISMG, as federal defenders confront rising geopolitical tensions and operational strain across critical infrastructure sectors.

The Handala hackers associated with Iran have breached the personal email account of FBI Director Kash Patel and published photos and documents. [...]

Threat actors with ties to Iran successfully broke into the personal email account of Kash Patel, the director of the U.S. Federal Bureau of Investigation (FBI), and leaked a cache of photos and other documents to the internet

The FBI has warned that Iranian hacking group Handala has been targeting opponents of the regime since 2023

The TeamPCP hacking group is targeting Kubernetes clusters with a malicious script that wipes all machines when it detects systems configured for Iran. [...]

New Handala Site Is Also AvailableU.S. federal agents seized four web domains associated with Iranian hacking operations days after a threat actor going by Handala posted screenshots it said came from inside the IT systems of medical device manufacturer Stryker. The registrars used to create them are located in the United States.

Properly Configured Mobile Development Management Tools Can't Wipe Personal DataMobile device management software is having a moment of notoriety after Iran-aligned hacking group Handala used Microsoft Intune to wipe the mobile devices of employees at medical device manufacture Stryker. Tens of thousands of personal devices were likely affected.