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Also: Medicare Data Breach; Gartner Security & Risk Management Summit TakeawaysIn this week's update, ISMG editors discussed Iran-linked hackers claiming to steal emails from Trump's inner circle, how to refine application development in the age of AI, and a U.S. Medicare data breach amplifying concerns over the safety, security and privacy of federal health systems.

Experts Warn Funding Gaps Elevate Cyber RiskA breach of Columbia University’s IT systems after repeated attacks by U.S. President Donald Trump is highlighting how universities are unprepared for today’s threat landscape. Schools often leave campuses without enough resources for strong cyber defenses.

Also, Spain Arrests Hacker Behind Leaks Targeting Politicians and JournalistsThis week, Chinese sites mimicked brands, Spain arrested data leak hackers, Swiss health nonprofit ransomware attack, ICC probed a cyberattack, UNFI restored systems, a flaw in smart tractors, RomCom RAT. A U.K. man sentenced for locking employer out of network. A WordPress hack installs a Trojan.

Also: Dismantling a 460 Million Euro Crypto Fraud NetworkThis week, a peek into Iran's largest crypto exchange blending privacy, scale and sanctions evasion, Europol and Spanish police dismantled a crypto fraud network, $9.5M Resupply hack, sentencing in a $40M ponzi scheme and a North Korean crypto theft and employment fraud ring.

Agency: Fraudsters Used Valid Beneficiary Info to Create Fake Medicare.gov AccountsThe Centers for Medicare and Medicaid Services is notifying 103,000 people that their personal information was potentially compromised by fraudsters who set up scam beneficiary online accounts on Medicare.gov. CMS said it has deactivated the fake accounts and is taking other steps in response.

Adolescent Hacking Group Switches Focus to New SectorThe band of English-speaking adolescent hackers collectively tracked as Scattered Spider are focusing on the airliners - and possibly preparing a pivot to the oil and gas sector. Its loose membership tends to hyperfocus on single sectors at a time.

'Bless Their Heart,' Says Threat Intel Executive of Pro-Iranian GroupSecurity experts have dismissed pro-Iranian hacktivist group LulzSec Black's claim to have breached Indian nuclear secrets in reprisal for the country's support of Israel. Pro-Iran hacktivist groups' SCADA-targeting, DDoS launching, data leaking and nuisance-level activities have surged.

Horizon Healthcare RCM Hints at Paying Ransom in Data Theft IncidentHorizon Healthcare RCM is the latest revenue cycle management software vendor to report a health data breach involving ransomware and data theft. The firm's breach notification statement suggests that the company paid a ransom to prevent the disclosure of its stolen information.