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Over 29,000 Exchange servers unpatched against high-severity flaw

Over 29,000 Exchange servers exposed online remain unpatched against a high-severity vulnerability that can let attackers move laterally in Microsoft cloud environments, potentially leading to complete domain compromise. [...]

https://www.bleepingcomputer.com/news/security/over-29-000-exchange-servers-unpatched-against-high-severity-flaw/
MuddyWater’s DarkBit ransomware cracked for free data recovery

Cybersecurity firm Profero cracked the encryption of the DarkBit ransomware gang's encryptors, allowing them to recover a victim's files for free without paying a ransom. [...]

https://www.bleepingcomputer.com/news/security/muddywaters-darkbit-ransomware-cracked-for-free-data-recovery/
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Microsoft tests cloud-based Windows 365 disaster recovery PCs

Microsoft has announced the limited public preview of Windows 365 Reserve, a service that provides temporary desktop access to pre-configured cloud PCs for employees whose computers have become unavailable due to cyberattacks, hardware issues, or software problems. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-tests-cloud-based-windows-365-disaster-recovery-pcs/
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Details emerge on WinRAR zero-day attacks that infected PCs with malware

Researchers have released a report detailing how a recent WinRAR path traversal vulnerability tracked as CVE-2025-8088 was exploited in zero-day attacks by the Russian 'RomCom' hacking group to drop different malware payloads. [...]

https://www.bleepingcomputer.com/news/security/details-emerge-on-winrar-zero-day-attacks-that-infected-pcs-with-malware/
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Netherlands: Citrix Netscaler flaw CVE-2025-6543 exploited to breach orgs

The Netherlands' National Cyber Security Centre (NCSC) is warning that a critical Citrix NetScaler vulnerability tracked as CVE-2025-6543 was exploited to breach "critical organizations" in the country. [...]

https://www.bleepingcomputer.com/news/security/netherlands-citrix-netscaler-flaw-cve-2025-6543-exploited-to-breach-orgs/
North Korean Kimsuky hackers exposed in alleged data breach

The North Korean state-sponsored hackers known as Kimsuky has reportedly suffered a data breach after two hackers, who describe themselves as the opposite of Kimsuky's values, stole the group's data and leaked it publicly online. [...]

https://www.bleepingcomputer.com/news/security/north-korean-kimsuky-hackers-exposed-in-alleged-data-breach/
Saint Paul cyberattack linked to Interlock ransomware gang

The mayor of Saint Paul, Minnesota's capital city, has confirmed that the Interlock ransomware gang is responsible for a cyberattack that disrupted many of the city's systems and services in July. [...]

https://www.bleepingcomputer.com/news/security/saint-paul-cyberattack-linked-to-interlock-ransomware-gang/
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275M patient records breached—How to meet HIPAA password manager requirements

Healthcare led all industries in 2024 breaches—over 275M patient records exposed, mostly via weak or stolen passwords. See how the self-hosted password manager by Passwork helps providers meet HIPAA requirements, protect ePHI, and keep healthcare running. Try it free for 1 month. [...]

https://www.bleepingcomputer.com/news/security/275m-patient-records-breached-how-to-meet-hipaa-password-manager-requirements/
US govt seizes $1 million in crypto from BlackSuit ransomware gang

The U.S. Department of Justice (DoJ) seized cryptocurrency and digital assets worth $1,091,453 at the time of confiscation, on January 9, 2024, from the BlackSuit ransomware gang. [...]

https://www.bleepingcomputer.com/news/security/us-govt-seizes-1-million-in-crypto-from-blacksuit-ransomware-gang/
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Windows 10 KB5063709 update fixes extended security updates enrollment

Microsoft has released the KB5063709 cumulative update for Windows 10 22H2 and Windows 10 21H2, with seven fixes or changes, including a fix for a bug that prevented enrollment in extended security updates. [...]

https://www.bleepingcomputer.com/news/microsoft/windows-10-kb5063709-update-fixes-extended-security-updates-enrollment/