Microsoft has resolved a known issue that was preventing some Classic Outlook users from sending emails via Outlook.com. […]
Iran-Linked Password-Spraying Campaign Targets 300+ Israeli Microsoft 365 Organizations
An Iran-nexus threat actor is suspected to be behind a password-spraying campaign targeting Microsoft 365 environments in Israel and the U.A.E. amid ongoing conflict in the Middle East.
The activity, assessed to be ongoing, was carried out in three distinct attack waves that took place on March 3, March 13, and March 23, 2026, per Check Point.
“The campaign is primarily
The activity, assessed to be ongoing, was carried out in three distinct attack waves that took place on March 3, March 13, and March 23, 2026, per Check Point.
“The campaign is primarily
Microsoft removes Support and Recovery Assistant from Windows
Microsoft has deprecated and removed the Support and Recovery Assistant (SaRA) command-line utility from all in-support versions of Windows updates starting March 10. […]
Microsoft links Medusa ransomware affiliate to zero-day attacks
Microsoft says that Storm-1175, a China-based financially motivated cybercriminal group known for deploying Medusa ransomware payloads, has been deploying n-day and zero-day exploits in high-velocity attacks. […]
Drift $280M crypto theft linked to 6-month in-person operation
The Drift Protocol says that the $280+ million hack it suffered last week was the result of a long-term, carefully planned operation that included building “a functioning operational presence inside the Drift ecosystem.” […]
DPRK-Linked Hackers Use GitHub as C2 in Multi-Stage Attacks Targeting South Korea
Threat actors likely associated with the Democratic People’s Republic of Korea (DPRK) have been observed using GitHub as command-and-control (C2) infrastructure in multi-stage attacks targeting organizations in South Korea.
The attack chain, per Fortinet FortiGuard Labs, involves obfuscated Windows shortcut (LNK) files acting as the starting point to drop a decoy PDF
The attack chain, per Fortinet FortiGuard Labs, involves obfuscated Windows shortcut (LNK) files acting as the starting point to drop a decoy PDF
CISA orders feds to patch Fortinet flaw exploited in attacks by Friday
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered federal agencies to secure FortiClient Enterprise Management Server (EMS) instances against an actively exploited vulnerability by Friday. […]
Google DeepMind Researchers Map Web Attacks Against AI Agents
Malicious web content can be used to manipulate, deceive, and exploit autonomous AI agents navigating the internet, Google DeepMind researchers show. The researchers have identified six types of attacks against AI agents that can be mounted via web content to inject malicious context and trigger unexpected behavior. Web content, they explain in a research paper, […]
The post Google DeepMind Researchers Map Web Attacks Against AI Agents appeared first on SecurityWeek.
Why Simple Breach Monitoring is No Longer Enough
Infostealers are harvesting credentials and session cookies at scale, bypassing traditional defenses. Lunar explains why simple breach monitoring alone can’t keep up with modern credential-based attacks. […]
Multi-OS Cyberattacks: How SOCs Close a Critical Risk in 3 Steps
Your attack surface no longer lives on one operating system, and neither do the campaigns targeting it. In enterprise environments, attackers move across Windows endpoints, executive MacBooks, Linux infrastructure, and mobile devices, taking advantage of the fact that many SOC workflows are still fragmented by platform.
For security leaders, this creates a
For security leaders, this creates a