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The second cyber attacks timeline of November 2021 is finally out (you can find the first one here or in the link below)! In the second half of this month I have collected 96 events, with a daily average slightly decreasing to 6.4 events/day from 6,67 events/day. Ransomware continues to dominate the threat landscape but the percentage of events directly or indirectly characterized dropped to 22% from 30.6% of the previous timeline (but despite the decrease, the criminals are still asking for massive ransoms.) I wonder if this is an effect of the increasing pressure of the law enforcement agencies against the ransomware syndicates.

Another common trend of this period is the impact of vulnerabilities: in this timeline they characterized the 12% of events including several ransomware attacks. We have, among the others, a new 0-day for Android (CVE-2021-1048), the Tortilla threat actor exploiting ProxyShell to deploy the Babuk ransomware, and several widespread operations exploiting Zoho’s ManageEngine ADSelfService Plus CVE-2021-4053 (and yes, threat actors continue to exploit SolarWinds’ Serv-U CVE-2021-35211.

Robinhood had the information of approximately 7 million customers compromised, and another decentralized finance (DeFi) platform has bitten the dust, suffering the theft of $55 million worth of crypto assets by a suspected North Korean threat actor.

As usual, the cyber espionage front is quite crowded, a threat actor dubbed DEV-0322 has been very busy to exploit the ManageEngine vulnerability, the Lazarus Group never misses a timeline, along with other well known threat actors such as Lyceum and Kimsuky. Another important cyber espionage campaign characterizing this timeline is the PhoneSpy spyware targeting Android users in South Korea.

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Enjoy the interactive timeline, and thanks for sharing it, and supporting my work in spreading the risk awareness across the community. Also, don’t forget to follow @paulsparrows on Twitter, or even connect on Linkedin, for the latest updates.

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