The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

RSS feed for current activities

Immediate Steps to Strengthen Critical Infrastructure against Potential Cyberattacks

In light of persistent and ongoing cyber threats, CISA urges critical infrastructure owners and operators to take immediate steps to strengthen their computer network defenses against potential cyberattacks. CISA has released CISA Insights: Preparing For and Mitigating Potential Cyber Threats to provide critical infrastructure leaders with steps to proactively strengthen their organization’s operational resiliency against sophisticated threat actors, including nation-states and their proxies.

Adobe Releases Security Updates for Multiple Products

Adobe has released security updates to address vulnerabilities in multiple Adobe products. An attacker could exploit some of these vulnerabilities to take control of an affected system. 

CISA encourages users and administrators to review Adobe’s Security Bulletins and apply the necessary updates. 

SAP Releases December 2021 Security Updates

SAP has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the SAP Security Notes for December 2021 and apply the necessary updates.

Microsoft Releases December 2021 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review Microsoft’s December 2021 Security Update Summary and Deployment Information and apply the necessary updates.
 

Apple Releases Security Updates for Multiple Products

Apple has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the Apple security pages for the following products and apply the necessary updates.

Google Releases Security Updates for Chrome

Google has released Chrome version 96.0.4664.110 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system.  

CISA encourages users and administrators to review the Chrome Release Note and apply the necessary updates as soon as possible.