Experts spotted KnockKnock attacks, a new ingenious attack technique on Office 365 System Accounts

Minimalist · Oct 8, 2017

The cloud access security broker Skyhigh Networks discovered a wide-scale attack with a new stealthy technique, dubbed KnockKnock, that targets Office 365 (O365) accounts.

The massive campaign leverages a low-key attack, started in May and is still continuing. Attackers are using a small botnet composed of 83 IP addresses across 63 networks, most of them registered in China. The attackers also used bots from 15 other countries, including Brazil, Russia, the US, and Malaysia.

Experts underscored the fact that the botnet attack KnockKnock was observed in targeted offensives.
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http://securityaffairs.co/wordpress/63969/hacking/knockknock-attacks-0365.html

stapp · Oct 8, 2017

Already posted here thanks

https://www.wilderssecurity.com/thr...-of-large-office-365-customers-report.397136/

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Experts spotted KnockKnock attacks, a new ingenious attack technique on Office 365 System Accounts

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Experts spotted KnockKnock attacks, a new ingenious attack technique on Office 365 System Accounts

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stapp Global Moderator

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