Security Bulletin

27 Mar 2025
Biztonsági szemle
46 new bugs in solar power inverters raise concerns over power grid stability
While 80% of the flaws found in the inverters were high or critical, some experts advise not to become too distracted by “doomsday” scenarios.

27 Mar 2025
Biztonsági szemle
Novel technique can unmask up to 70% of crooks hiding behind VPNs, proxies, Tor
Technique claims it can unmask crooks hiding behind VPNs, proxy servers and Tor browsers with up to 70% reliability.

27 Mar 2025
Biztonsági szemle
DoJ Recovers $5M Lost in BEC Fraud Against Workers' Union
The union received a spoofed email that led to the loss of $6.4 million, much of it transferred to other accounts or to a cryptocurrency exchange.

27 Mar 2025
Biztonsági szemle
Broadcom fixes authentication bypass flaw in VMware Tools for Windows
Access control weakness could potentially allow log-ins without proper authentication in VMware Tools for Windows.

27 Mar 2025
Biztonsági szemle
Student-Powered SOCs Train Security's Next Generation
University security operations centers that hire and train students are a boon to state and local governments while giving much-needed Tier 1 cybersecurity training to undergraduates.

27 Mar 2025
Biztonsági szemle
Fake DeepSeek Ads Spread Malware to Google Users
Popularity of the generative AI platform makes it an obvious choice for cybercriminals abusing Google-sponsored search results, according to researchers.

27 Mar 2025
Biztonsági szemle
Upswing in third-party breaches observed
SiliconAngle reports that third-party compromise accounted for 36% of all data breaches last year, which may still be undervalued due to inadequate reporting and improper classification, highlighting the escalation in vendor-driven attacks.

27 Mar 2025
Biztonsági szemle
MORSE Corp to pay $4.6M to settle cyber fraud lawsuit
Massachusetts-based tech firm MORSE Corp, a U.S. defense contractor, has agreed to a $4.6 million settlement to resolve a lawsuit alleging its nonadherence to military contract cybersecurity requirements and submission of false claims for payment...

27 Mar 2025
Biztonsági szemle
Third-party breach confirmed by StreamElements
Widely used cloud-based streaming tools platform StreamElements has disclosed having been impacted by a data breach involving a former third-party service provider.

27 Mar 2025
Biztonsági szemle
WideOpenWest purportedly breached by nascent ransomware gang
Major U.S. cable operator and internet service provider WideOpenWest had its servers claimed to have been completely compromised by the newly emergent Arkana Security ransomware operation, reports Cybernews.

27 Mar 2025
Biztonsági szemle
Novel Hyper-V-targeted ransomware deployed by RedCurl
Hyper-V virtual machines have been targeted by Russian cyberespionage group RedCurl with its new QWCrypt ransomware, marking the operation's initial foray into ransomware, BleepingComputer reports.

27 Mar 2025
Biztonsági szemle
BlackLock ransomware gang dismantled
BlackLock ransomware gang dismantled Operations of the BlackLock ransomware-as-a-service gang which was poised to be among the most prolific RaaS groups this year despite only emerging last March have been disrupted by Resecurity researchers after...
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