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BlackCat ransomware’s data exfiltration tool gets an upgrade

The BlackCat ransomware (aka ALPHV) isn't showing any signs of slowing down, and the latest example of its evolution is a new version of the gang's data exfiltration tool used for double-extortion attacks. [...]

https://www.bleepingcomputer.com/news/security/blackcat-ransomware-s-data-exfiltration-tool-gets-an-upgrade/
Microsoft Exchange servers hacked via OAuth apps for phishing

Microsoft says a threat actor gained access to cloud tenants hosting Microsoft Exchange servers in credential stuffing attacks, with the end goal of deploying malicious OAuth applications and sending phishing emails. [...]

https://www.bleepingcomputer.com/news/security/microsoft-exchange-servers-hacked-via-oauth-apps-for-phishing/
CISA warns of critical ManageEngine RCE bug used in attacks

The Cybersecurity and Infrastructure Security Agency (CISA) has added a critical severity Java deserialization vulnerability affecting multiple Zoho ManageEngine products to its catalog of bugs exploited in the wild. [...]

https://www.bleepingcomputer.com/news/security/cisa-warns-of-critical-manageengine-rce-bug-used-in-attacks/
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Latest news and stories from BleepingComputer.com
CISA warns of critical ManageEngine RCE bug used in attacks

The Cybersecurity and Infrastructure Security Agency (CISA) has added a critical severity Java deserialization vulnerability affecting multiple Zoho ManageEngine products to its catalog of bugs exploited in the wild. [...]
Multi-million dollar credit card fraud operation uncovered

A massive operation that has reportedly siphoned millions of USD from credit cards since its launch in 2019 has been exposed and is considered responsible for losses for tens of thousands of victims. [...]

https://www.bleepingcomputer.com/news/security/multi-million-dollar-credit-card-fraud-operation-uncovered/
Train to become an ethical hacker with this $35 course deal

The point is, if you want to advance your career in IT and get a better handle on cyber threat mitigation, then The 2023 Complete Cyber Security Ethical Hacking Certification Bundle is a great place to start. It's convenient, it's fun, and since it's on sale, it's very easy to afford. [...]

https://www.bleepingcomputer.com/news/security/train-to-become-an-ethical-hacker-with-this-35-course-deal/
Microsoft shares workarounds for Windows Group Policy issues

Microsoft has acknowledged a known issue where copying files/shortcuts using Group Policy Preferences on Windows client devices might not work as expected after installing recent Windows cumulative updates released during this month's Patch Tuesday. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-shares-workarounds-for-windows-group-policy-issues/
This image contains its own MD5 checksum — and it's kind of a big deal

Generating checksums—cryptographic hashes such as MD5 or SHA-256 functions for files is hardly anything new and one of the most efficient means to ascertain the integrity of a file, or to check if two files are identical. But a researcher has generated an image that visibly contains its own MD5 hash. [...]

https://www.bleepingcomputer.com/news/security/this-image-contains-its-own-md5-checksum-and-its-kind-of-a-big-deal/
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