Read the original article: Worldwide Hack: Microsoft Exchange Server Zero-day Exploits
Hundreds of thousands of worldwide organizations are newly hacked via holes in Microsoft’s email software per a Krebs on Security article posted March 5, 2021.
“At least 30,000 organizations across the United States — including a significant number of small businesses, towns, cities and local governments — have over the past few days been hacked by an unusually aggressive Chinese cyber espionage unit that’s focused on stealing email from victim organizations, multiple sources tell KrebsOnSecurity. The espionage group is exploiting four newly-discovered flaws in Microsoft Exchange Server email software, and has seeded 100,000s of victim organizations worldwide with tools that give the attackers total, remote control over affected systems.”
“This is the real deal,” tweeted Christopher Krebs, the former Cybersecurity and Infrastructure Security Agency (CISA) director. “If your organization runs an [Outlook Web Access] OWA server exposed to the internet, assume compromise between 02/26-03/03.”
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Read the original article: Worldwide Hack: Microsoft Exchange Server Zero-day Exploits