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At Least 30,000 U.S. Organizations Newly Hacked Via Holes in Microsoft’s Email Software — Krebs on Security

krebsonsecurity.com/2021/03/at-least-30000-u-s-organizations-newly-hacked-via-holes-in-microsofts-email-software

What Jamie wrote

This is one of the biggest vulnerabilities to be exploited in recent years, and the impact is big.

In each incident, the intruders have left behind a “web shell,” an easy-to-use, password-protected hacking tool that can be accessed over the Internet from any browser. The web shell gives the attackers administrative access to the victim’s computer servers.

Krebs' has written extensively on this, including a basic timeline and then exploring the ticking time bomb that has been created by this. 😬