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.

Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a public GitHub account. The inquiry comes as CISA is still struggling to contain the breach and invalidate the leaked credentials.

On Wednesday, CISA warned of heightened breach risks after the compromise of legacy Oracle Cloud servers earlier this year and highlighted the significant threat to enterprise networks. [...]

Also: Ransomware Surged in 2023, MoneyGram Back in Service After CyberattackThis week, advice on spotting North Korean staff; ransomware attacks rose; MoneyGram back online; FCC fined political operative; CISA warned of water system attacks; Ukraine restricted Telegram use; North Korean hackers used new malware; U.K. arrested alleged hacker; PSNI is in data leak talks.