Latest cybersecurity reporting from selected sources.

Also, Arch Linux Attack, Estonia Quarantines Russian Emails, Joomla FlawThis week, ShinyHunters leaked alleged Madison Square Garden data, a U.S. senator pressed CISA on regional staffing cuts, an Arch Linux supply-chain attack, Mackay Sugar began recovery from a ransomware attack, Novo Nordisk faced dueling breach claims - and more compelling cybersecurity news.

Former Officials, Tech Groups Say Anthropic Designation Is Illegal - and DangerousFormer U.S. defense and intelligence officials argue the Pentagon's designation of Anthropic as a supply-chain risk was politically motivated and legally flawed, warning it could erode trust in government contracting and weaken the defense AI ecosystem.

New Rule Blocks Approval of Foreign Routers Without Federal ClearanceThe FCC acted on a White House security determination and announced a block on new foreign-made routers from entering U.S. markets - unless vendors meet strict national security reviews, citing their role in state-linked cyber campaigns and risks to U.S. network edge infrastructure.

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.

For the U.S. healthcare ecosystem, the 2024 ransomware attack on Change Healthcare proved to be a supply-chain earthquake in showcasing critical third-party risk that entities now must carefully and urgently consider, said Erik Decker, CISO of Intermountain Health and a federal cyber adviser.

Attack Spotlights Threats, Risks Facing Healthcare Supply ChainUFP Technologies, a Massachusetts-based maker of single-use medical devices and other healthcare supplies, has notified the U.S. Securities and Exchange Commission of a cyber incident discovered on Valentine's Day that involved the theft or destruction of company data.

Also, Active Exploits Hit SolarWinds, Ivanti as APT28 Targets EU, UkraineThis week, Italy blocked Russian cyberattacks targeting the Olympics. Flaws in SolarWinds, Ivanti and Microsoft Office. Russia's APT28 ramped up attacks in Ukraine, supply chain attacks, regulators probed major breaches and a U.S. judge sentenced the operator of a darkweb drug marketplace.

Also, Active Exploits Hit SolarWinds, Ivanti as APT28 Targets EU, UkraineThis week, Italy blocked Russian cyberattacks targeting the Olympics. Flaws in SolarWinds, Ivanti and Microsoft Office. Russia's APT28 ramped up attacks in Ukraine, supply chain attacks, regulators probed major breaches and a U.S. judge sentenced the operator of a darkweb drug marketplace.

Top Lawmaker Urges White House to Review Foreign Influence in Open-Source CodeA top Republican in the U.S. Senate warned the White House that foreign adversaries are exploiting trusted open-source software used across federal networks and defense systems, urging the National Cyber Director to lead efforts to monitor contributors and reduce supply chain risk.

Also, Australian Police Arrest 55 in New Round of Anom App StingThis week: UPenn hit by email breach, Australian police arrested 55, 'SesameOp' backdoor hid C2 traffic, BEC scammers used AWS, hackers stole trucking cargo, Ukrainian national extradited to United States for role in Conti ransomware and a supply chain risk in advanced installer tool.

SEC Filing Reveals Telecom Vendor Was Compromised for Nearly a YearA nation-state threat actor carried out a supply chain attack targeting Ribbon Communications, a leading U.S. provider of telecom and networking infrastructure, and may have maintained access within its systems for nearly a year. Ribbon said it became aware of the activity in early September.

Also: Software Supply Chain Risks, Cato's AI Security BuyIn this week's update, four ISMG editors discussed the Pentagon's review of Microsoft's use of Chinese nationals on U.S. military cloud systems, renewed concerns over software supply chain risks and Cato Networks' first-ever acquisition to boost AI security.

Program Director Mike Eftimakis on How to Fix 70% of Memory Safety IssuesA U.K. government-backed, hardware-based security initiative is tackling one of the biggest cybersecurity challenges - memory safety - and hopes to address about 70% of existing vulnerabilities, said Mike Eftimakis, founding director of Capability Hardware Enhanced RISC Instructions Alliance.

Also: Trump's Rollback of Cyber Rules, 23andMe's Privacy BacklashIn this week's update, four editors with ISMG unpack the sharp rise in software supply chain cyberattacks, U.S. President Donald Trump's sweeping cybersecurity executive order, and the data privacy backlash over 23andMe's bankruptcy and sale to the highest bidder.

Also: Supply Chain Security in Wake of US Tariffs, AI's Role in the SOCIn this week's update, ISMG editors discussed takeaways from Verizon's annual Data Breach Investigations Report, the cybersecurity ripple effects of the disruptive U.S. tariff policy, and why artificial intelligence tools still aren't ready to take over the security operations center.

Trump's Procurement Tracking Directive Could Expose Vast Government Data to ThreatsThe White House is mandating federal agencies to track and justify every procurement, a move aimed at transparency but one that experts warn could expose troves of sensitive financial data to hacking, nation-state cyber threats and potential supply chain vulnerabilities across government systems.

Experts Testify Budget Cuts Could Hurt Security Investments, Disrupt Supply ChainsPresident Donald Trump's federal funding freeze threatens to significantly weaken U.S. maritime cybersecurity efforts as China expands its control over global ports, experts warned in congressional testimony. Attacks on ports could disrupt supply chains and destabilize global trade.

National Security and Hacking Worries Underpin Concerns over Supply Chain RiskThe U.S. federal government is telling the automotive industry to stop buying Chinese manufactured hardware and software powering onboard telematics and automated driving systems, warning that the potential for nation-state hacking and espionage poses a national security risk.

New Estimate Is 3 Times Higher Than Number Agency Initially Publicly DisclosedThe U.S. Centers for Medicare and Medicaid Services has updated the scope of the MOVEit hacking breach last year, telling a sister agency that the software supply chain attack affected more than 3.1 million individuals - about three times the number of victims disclosed publicly earlier this month.

DHS Calls for Public-Private Collaboration on Critical Infrastructure SecurityCritical infrastructure sectors face many potentially disruptive threats such as supply chain vulnerabilities and the growing dependency on space-based systems. But the top cyberthreats facing the U.S. are the People's Republic of China and emerging risks associated with AI and quantum computing.