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Threat actors affiliated with Russian Intelligence Services are conducting phishing campaigns to compromise commercial messaging applications (CMAs) like WhatsApp and Signal to seize control of accounts belonging to individuals with high intelligence value, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) said Friday

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added five security flaws impacting Apple, Craft CMS, and Laravel Livewire to its Known Exploited Vulnerabilities (KEV) catalog, urging federal agencies to patch them by April 3, 2026

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.

Former DoD CIO Leslie Beavers on Nation-State Attacks and DefenseLeslie Beavers, retired brigadier general and former acting CIO and principal deputy CIO of the Department of Defense, said the United States is already experiencing a "cyber invasion," driven by coordinated activity from adversaries including Iran, China, Russia and North Korea.

Also: CISA Protocol Concerns, AI Agents Push Past Cybersecurity ControlsIn this week's panel, four ISMG editors unpacked the cyber dimensions of the Stryker attack amid the escalating Iran-Israel-U.S. tensions, the growing controversy around CISA leadership and alleged protocol breaches, and a new set of concerns related to AI agents bypassing security controls.

Federal Proposal Pushes AI Adoption While Avoiding Regulatory DetailThe White House AI framework urges rapid deployment and federal alignment to counter China while proposing guardrails on fraud, safety and speech - but leaves unresolved conflicts on IP, content regulation and state preemption that Congress must navigate.

No Arrests, But Virtual Servers, IP Addresses Seized and Residencies SearchedU.S. authorities seized KimWolf - the attack infrastructure responsible for the largest distributed denial of service attack yet recorded in an international police operation that swept up servers underpinning four botnets.

The men facilitated about $1.28 million in salary from victim U.S. companies by hosting laptop farms and helping remote IT workers assume fake identities. The post Trio sentenced for facilitating North Korean IT worker scheme from their homes appeared first on CyberScoop.

Authorities from the United States, Germany, and Canada have taken down Command and Control (C2) infrastructure used by the Aisuru, KimWolf, JackSkid, and Mossad botnets to infect Internet of Things (IoT) devices. [...]

The U.S. Department of Justice (DoJ) on Thursday announced the disruption of command-and-control (C2) infrastructure used by several Internet of Things (IoT) botnets like AISURU, Kimwolf, JackSkid, and Mossad as part of a court-authorized law enforcement operation

The U.S. Justice Department joined authorities in Canada and Germany in dismantling the online infrastructure behind four highly disruptive botnets that compromised more than three million hacked Internet of Things (IoT) devices, such as routers and web cameras. The feds say the four botnets -- named Aisuru, Kimwolf, JackSkid and Mossad -- are responsible for a series of recent record-smashing distributed denial-of-service (DDoS) attacks capable of knocking nearly any target offline.

Vulnerability Affects Certain Centricity Medical Imaging ProductsThe U.S. Food and Drug Administration has issued a recall notice for certain GE Healthcare Centricity medical imaging products due to a "potential" cybersecurity vulnerability that could allow a hacker to manipulate data or impact availability of the affected products.

CISA warned U.S. organizations to follow Microsoft guidance to strengthen the Intune endpoint management tool after a cyberattack exploited it to wipe medical technology giant Stryker's systems. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild

White House Cyber Strategy Urges Deeper Industry Partnership Without Defining RolesThe administration's cyber strategy pushes deeper public-private coordination and expanded threat visibility across critical infrastructure, but lacks specifics on operational roles, incentives and legal protections needed for industry to actively disrupt malicious activity.

CISA has ordered U.S. government agencies to secure their servers against an actively exploited vulnerability in the Zimbra Collaboration Suite (ZCS). [...]

AWS Researchers Find an Interlock Server Laden With ToolsRansomware hackers exploited a flaw with a maximum vulnerability score in Cisco firewall management software weeks before the networking giant disclosed the vulnerability in early March. The group has focused extensively on critical infrastructure sectors in North America and Europe.

Executives pressed Congress for a strategy as the market – and attack surface – continues to expand. The post U.S. robotics companies want federal help to keep Chinese robots out of America’s networks appeared first on CyberScoop.

The U.S. Department of the Treasury's Office of Foreign Assets Control (OFAC) has sanctioned six individuals and two entities for their involvement in the Democratic People's Republic of Korea (DPRK) information technology (IT) worker scheme with an aim to defraud U.S. businesses and generate illicit revenue for the regime to fund its weapons of mass destruction (WMD) programs

Marquis, a Texas-based financial services provider, revealed this week that a ransomware gang stole the data of over 670,000 individuals in an August 2025 cyberattack that also disrupted operations at 74 banks across the United States. [...]