CRI-O Security Update for Kubernetes

CRI-O has released a security update addressing a critical vulnerability—CVE-2022-0811—in CRI-O 1.19. A local attacker could exploit this vulnerability to take control of an affected Kubernetes environment as well as other software or platforms that use CRI-O runtime containers. CISA encourages...

WordPress Releases Security Update

WordPress versions prior to 5.9.2 are affected by multiple vulnerabilities. Exploitation of some of these vulnerabilities could allow a remote attacker to take control of an affected website. CISA encourages users and administrators to review the WordPress Security Release and upgrade to WordPres...

Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities affecting Drupal 9.2 and 9.3. An attacker could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Drupal Advisory SA-CORE-2022-05 and apply the necessary...

Strengthening Cybersecurity of SATCOM Network Providers and Customers

CISA and the Federal Bureau of Investigation FBI are aware of possible threats to U.S. and international satellite communications SATCOM networks. Successful intrusions into SATCOM networks could create additional risk for SATCOM network customer environments. In response, CISA and FBI have...

OpenSSL Releases Security Updates

OpenSSL has released security updates addressing a vulnerability CVE-2022-0778 affecting multiple versions of OpenSSL. An attacker could exploit this vulnerability to cause a denial-of-service condition. CISA encourages users and administrators to review the OpenSSL Advisory and upgrade to the...

ISC Releases Security Advisories for BIND

The Internet Systems Consortium ISC has released security advisories that address vulnerabilities affecting multiple versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit these vulnerabilities to cause a denial-of-service condition. CISA encourages users and...

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 page and apply the necessary updates. This...

Google Releases Security Updates for Chrome

Google has released Chrome version 99.0.4844.74 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. Thi...

Russian State-Sponsored Cyber Actors Access Network Misconfigured with Default MFA Protocols

CISA and the Federal Bureau of Investigation FBI have released a joint Cybersecurity Advisory that details how Russian state-sponsored cyber actors accessed a network with misconfigured default multifactor authentication MFA protocols. The actors then exploited a critical Windows Print Spooler...

Updated: Kubernetes Hardening Guide

The National Security Agency NSA and CISA have updated their joint Cybersecurity Technical Report CTR: Kubernetes Hardening Guide, originally released in August 2021, based on valuable feedback and inputs from the cybersecurity community. Kubernetes is an open-source system that automates...

CISA Adds 15 Known Exploited Vulnerability to Catalog

CISA has added 15 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and...

Dirty Pipe Privilege Escalation Vulnerability in Linux

CISA is aware of a privilege escalation vulnerability in Linux kernel versions 5.8 and later known as “Dirty Pipe” CVE-2022-0847. A local attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review CVE-2022-0847 and update to...

Updated: Conti Ransomware

CISA, the Federal Bureau of Investigation FBI, the National Security Agency NSA, and the United States Secret Service USSS have re-released an advisory on Conti ransomware. Conti cyber threat actors remain active and reported Conti ransomware attacks against U.S. and international organizations...

Microsoft Releases March 2022 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 March 2022 Security Update Summary and...

CISA Releases Security Advisory on PTC Axeda Agent and Desktop Server

CISA has released an Industrial Controls Systems Advisory ICSA, detailing vulnerabilities in PTC Axeda agent and Axeda Desktop Server. Successful exploitation of these vulnerabilities—collectively known as “Access:7”—could result in full system access, remote code execution, read/change...

Adobe Releases Security Updates for Multiple Products

Adobe 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 following Adobe Security Bulletins and apply the necessary...

Mozilla Releases Security Updates for Firefox and Firefox ESR

Mozilla has released security updates to address vulnerabilities in Firefox and Firefox ESR. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla security advisories for Firefox 98 and Firefox...

FBI Releases Indicators of Compromise for RagnarLocker Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs associated with ransomware attacks by RagnarLocker, a group of a ransomware actors targeting critical infrastructure sectors. CISA encourages users and administrators to review the IOCs and...

Mozilla Releases Security Updates

Mozilla has released security updates to address vulnerabilities in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla security advisories for Firefox...

SAP Releases March 2022 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 March 2022 and apply the necessary...

CISA’s Zero Trust Guidance for Enterprise Mobility Available for Public Comment

CISA has released a draft version of Applying Zero Trust Principles to Enterprise Mobility for public comment. The paper guides federal agencies as they evolve and operationalize cybersecurity programs and capabilities, including cybersecurity for mobility. The public comment period will close...

Mozilla Releases Security Updates for Multiple Products

Mozilla has released security updates to address vulnerabilities in multiple products. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Mozilla security advisory MFSA 2022-09 and apply the necessary updates...

CISA Adds 11 Known Exploited Vulnerabilities to Catalog 

CISA has added 11 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and...

CISA Adds 95 Known Exploited Vulnerabilities to Catalog

CISA has added 95 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added...

Cisco Releases Security Updates for Multiple Products

Cisco 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. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages users...

NSA Releases Network Infrastructure Security Guidance

The National Security Agency NSA has released a new Cybersecurity Technical Report CTR: Network Infrastructure Security Guidance. The report captures best practices based on the depth and breadth of experience in supporting customers and responding to threats. Recommendations include perimeter an...

Google Releases Security Updates for Chrome

Google has released Chrome version 99.0.4844.51 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. Thi...

Broadcom Software Discloses APT Actors Deploying Daxin Malware in Global Espionage Campaign

Broadcom Software—an industry member of CISA’s Joint Cyber Defense Collaborative JCDC—uncovers an advanced persistent threat APT campaign against select governments and other critical infrastructure targets in a publication titled Daxin: Stealthy Backdoor Designed for Attacks Against Hardened...

CISA Releases Advisory on Destructive Malware Targeting Organizations in Ukraine

CISA and the Federal Bureau of Investigation have released an advisory on destructive malware targeting organizations in Ukraine. The advisory also provides recommendations and strategies to prepare for and respond to destructive malware. Additionally, CISA has created a new Shields Up Technical...

Mozilla Releases Security Update for Mozilla VPN

Mozilla has released a security update to address a vulnerability in Mozilla VPN. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Mozilla Foundation Security Advisory 2022-08 and make the necessary update. This...

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types a...

Iranian Government-Sponsored MuddyWater Actors Conducting Malicious Cyber Operations

CISA, the Federal Bureau of Investigation FBI, U.S. Cyber Command Cyber National Mission Force CNMF, the United Kingdom’s National Cyber Security Centre NCSC-UK, and the National Security Agency NSA have issued a joint Cybersecurity Advisory CSA detailing malicious cyber operations by Iranian...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit one of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages...

New Sandworm Malware Cyclops Blink Replaces VPNFilter

The United Kingdom’s National Cyber Security Centre, CISA, the National Security Agency, and the Federal Bureau of Investigation have released a joint Cybersecurity Advisory CSA reporting that the malicious cyber actor known as Sandworm or Voodoo Bear is using new malware, referred to as Cyclops...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types an...

CISA Insights: Foreign Influence Operations Targeting Critical Infrastructure

CISA has released CISA Insights: Preparing for and Mitigating Foreign Influence Operations Targeting Critical Infrastructure, which provides proactive steps organizations can take to assess and mitigate risks from information manipulation. Malicious actors may use tactics—such as misinformation,...

CISA Compiles Free Cybersecurity Services and Tools for Network Defenders

CISA has compiled and published a list of free cybersecurity services and tools to help organizations reduce cybersecurity risk and strengthen resiliency. This non-exhaustive living repository includes services provided by CISA, widely used open source tools, and free tools and services offered b...

NCSC-NZ Releases Advisory on Cyber Threats Related to Russia-Ukraine Tensions

The New Zealand National Cyber Security Centre NCSC-NZ has released a General Security Advisory GSA on preparing for cyber threats relating to tensions between Russia and Ukraine. The advisory recommends organizations review their security posture and monitor for cyber incidents and provides...

Cisco Releases Security Updates for Email Security Appliance

Cisco has released security updates to address a vulnerability affecting Cisco Email Security Appliance. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA...

Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities affecting Drupal 7, 9.2, and 9.3. An attacker could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Drupal security advisories SA-CORE-2022-003 and...

NSA Best Practices for Selecting Cisco Password Types

The National Security Agency NSA has released a Cybersecurity Information CSI sheet with guidance on securing network infrastructure devices and credentials. Cisco devices are used globally to secure network infrastructure devices, including across the Department of Defense, National Security...

Mozilla Releases Security Update for Thunderbird  

Mozilla has released a security update to address a vulnerability in Thunderbird. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the Mozilla security advisory for Thunderbird 91.6.1 and make the necessary...

VMware Releases Security Updates for Multiple Products

VMware 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 VMware Security Advisories VMSA-2022-0004 and and VMSA-2022-0005...

Russian State-Sponsored Actors Target Cleared Defense Contractor Networks

CISA, the Federal Bureau of Investigation FBI, and the National Security Agency NSA have released a joint Cybersecurity Advisory CSA highlighting regular targeting of U.S. cleared defense contractors CDCs by Russian state-sponsored cyber actors. These CDCs support contracts for the U.S. Departmen...

Google Releases Security Updates for Chrome

Google has released Chrome version 98.0.4758.102 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. One of these vulnerabilities has been detected in exploits in the wild. CISA encourages users and administrato...

FBI and USSS Release Advisory on BlackByte Ransomware

The Federal Bureau of Investigation FBI and the United States Secret Service USSS have released a joint Cybersecurity Advisory CSA identifying indicators of compromise associated with BlackByte ransomware. BlackByte is a Ransomware-as-a-Service group that encrypts files on compromised Windows hos...

CISA Adds Nine Known Exploited Vulnerabilities to Catalog

CISA has added nine new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types a...

Adobe Releases Security Updates for Commerce and Magento Open Source

Adobe has released security updates to address a vulnerability affecting Adobe Commerce and Magento Open Source. An attacker could exploit this vulnerability to take control of an affected system. This vulnerability has been detected in exploits in the wild. CISA encourages users and administrato...

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. Some of these vulnerabilities have been detected in exploits in the wild. CISA encourages users and administrators to...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerability listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and po...