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Home > Cybersecurity > New CISA guidance for Log4j has been published

New CISA guidance for Log4j has been published

The organization stated that the attackers are actively scanning networks for flawed Log4Shell versions to exploit.


Rusen Gobel Rusen Gobel
December 23, 2021
2 min read
New CISA guidance for Log4j has been published

Cybersecurity and Infrastructure Security Agency and cybersecurity leaders from the US, Canada, New Zealand, Australia, the UK, and the FBI and NSA have published a new informational. Their first guidance about Log4j and the mitigations was shared 1 week ago. In this one week, a lot of new information and patches appeared.

Vulnerable versions are still being downloaded

The organization has stated that the attackers originating from North Korea, Iran, Turkey, and China alongside some ransomware groups and cybercriminal organizations are actively scanning and exploiting the Log4j vulnerabilities.

Rob Joyce, cybersecurity director of NSA
Rob Joyce, cybersecurity director of NSA

The cybersecurity firm Sonatype also shared an infographic showing that the current download rate of the flawed versions of Log4j is still 45%. In the most recent moment, the download rate of the latest and safest Log4j version, 2.17.0, is only about 30%.

Rob Joyce, cybersecurity director of NSA said,

« Start with internet exposed assets, but mitigate and update everything. Monitor and follow up. Malicious actors have been observed patching software they compromise to help retain control of the assets »

Click here to read the full CISA documentation.

CISA has also announced that the Log4j vulnerabilities are now included in the Hack DHS bug bounty program. The program is originally announced on December 14th by the Department of Homeland Security to identify their systems’ flaws. With the recent chaos, the Log4j is immediately added to the program.

In response to the recently discovered log4j vulnerabilities, @DHSgov is expanding the scope of our new #HackDHS bug bounty program and including additional incentives to find and patch log4j-related vulnerabilities in our systems.

— Secretary Alejandro Mayorkas (@SecMayorkas) December 21, 2021

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  • CISA published an emergency directive for Log4j
  • Google joining the war against Log4j exploits
  • Hackers exploit Log4j to inject Monero miners, shifting from LDAP to RMI
  • A third, new Apache Log4j vulnerability is discovered
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See more Cybersecurity News


Tags: CISA
Rusen Gobel

Rusen Gobel

Rusen Gobel is a news editor at Cloud7 News. With more than 10 years of experience, Rusen worked as a hardware and software news editor for technology sites such as Shiftdelete, Teknokolis, Hardware Plus, BT Haber. In addition, Rusen publishes consumer product reviews on his YouTube channel. While consumer electronics has been his main focus for years, now Rusen is more interested in WordPress and software development. He had contributed different web application projects in his professional career. Rusen had graduated from Istanbul University, department of Computer Engineering. Rusen has a very high passion for learning and writing for every kind of technology. That's why he has been working as a tech editor for more than ten years on several different technology magazines and online news portals.

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