Link on Github --> https://github.com/Nieuport/news-and-links/blob/gh-pages/docs/2023.04.07.md

Exploitation is a Dish Best Served Cold: Winter Vivern Uses Known Zimbra Vulnerability to Target Webmail Portals of NATO-Aligned Governments in Europe - https://www.proofpoint.com/us/blog/threat-insight/exploitation-dish-best-served-cold-winter-vivern-uses-known-zimbra-vulnerability

X-Force Prevents Zero Day from Going Anywhere - https://securityintelligence.com/posts/x-force-prevents-zero-day-from-going-anywhere/

A fresh look at user enumeration in Microsoft Teams - https://www.securesystems.de/blog/a-fresh-look-at-user-enumeration-in-microsoft-teams/

Investigate malicious Windows logon by visualizing and analyzing Windows event log - https://github.com/JPCERTCC/LogonTracer

Proxyjacking has Entered the Chat - https://sysdig.com/blog/proxyjacking-attackers-log4j-exploited/

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