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...

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...

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,...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

CISA Adds 15 Known Exploited Vulnerabilities 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...

2021 Trends Show Increased Globalized Threat of Ransomware

CISA, the Federal Bureau of Investigation FBI, the National Security Agency NSA, the Australian Cyber Security Centre ACSC, and the United Kingdom’s National Cyber Security Centre NCSC-UK have released a joint Cybersecurity Advisory CSA highlighting a global increase in sophisticated, high-impact...

Critical Vulnerabilities Affecting SAP Applications Employing Internet Communication Manager (ICM)

On February 8, 2022, SAP released security updates to address vulnerabilities affecting multiple products, including critical vulnerabilities affecting SAP applications using SAP Internet Communication Manager ICM. SAP applications help organizations manage critical business processes—such as...

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 97 and Firefox...

Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird

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...

Citrix Releases Security Updates for Hypervisor

Citrix has released security updates to address vulnerabilities in Hypervisor. An attacker could exploit these vulnerabilities to cause a denial-of-service condition. CISA encourages users and administrators to review Citrix Security Update CTX337526 and apply the necessary updates. This product ...

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

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

FBI Releases Indicators of Compromise Associated with LockBit 2.0 Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs associated with attacks, using LockBit 2.0, a Ransomware-as-a-Service that employs a wide variety of tactics, techniques, and procedures, creating significant challenges for defense and...

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 vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and...

Cisco Releases Security Updates for RV Series Routers

Cisco has released security updates to address vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the...

CISA Releases Security Advisory for Airspan Networks Mimosa

CISA has released an Industrial Controls Systems Advisory ICSA that details vulnerabilities in the Airspan Networks Mimosa product line. An attacker could exploit these vulnerabilities to achieve remote code execution, create a denial-of-service condition, or obtain sensitive information. CISA...

Google Releases Security Updates for Chrome

Google has released Chrome versions 98.0.4758.80/81/82 for Windows and 98.0.4758.80 for Mac and Linux. These versions address 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...

FBI Releases PIN on Potential Cyber Activities During the 2022 Beijing Winter Olympics and Paralympics

The Federal Bureau of Investigation FBI has released a Private Industry Notification PIN to warn entities associated with the February 2022 Beijing Winter Olympics and March 2022 Paralympics that malicious cyber actors could use a broad range of cyber activities to disrupt these events. These...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Samba security announcements as wel...

CISA Adds Eight Known Exploited Vulnerabilities to Catalog

CISA has added eight 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...

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...

FBI Releases PIN on Iranian Cyber Group Emennet Pasargad

The Federal Bureau of Investigation FBI has released a Private Industry Notification PIN that provides a historical overview of Iran-based cyber company Emennet Pasargad’s tactics, techniques, and procedures to enable readers to identify and defend against the group’s malicious cyber activities...

CISA Publishes Infographic on Layering Network Security Through Segmentation

CISA has published an infographic to emphasize the importance of implementing network segmentation—a physical or virtual architectural approach that divides a network into multiple segments, each acting as its own subnetwork, to provide additional security and control that can help prevent or...

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...

McAfee Releases Security Update for McAfee Agent for Windows 

McAfee has released McAfee Agent for Windows version 5.7.5, which addresses vulnerabilities CVE-2021-31854 and CVE-2022-0166. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review McAfee Security Bulletin SB10378...

F5 Releases January 2022 Quarterly Security Notification

F5 has released its January 2022 Quarterly Security Notification addressing vulnerabilities affecting multiple versions of BIG-IP, BIG-IQ, and NGINX Controller API Management. A remote attacker could exploit these vulnerabilities to either deny service to, or take control of, an affected system...

Google Releases Security Updates for Chrome

Google has released Chrome version 97.0.4692.99 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 update as so...

Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities affecting Drupal 7, 9.2, and 9.3. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Drupal security advisories and apply the...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco 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...

CISA Releases Final Version of Guidance: IPv6 Considerations for TIC 3.0

CISA has released the final version of Internet Protocol version 6 IPv6 Considerations for Trusted Internet Connections TIC 3.0. This guidance supports the federal government-wide deployment and use of the modernized network protocol. The final version includes feedback provided during the public...

Zoho Releases Security Advisory for ManageEngine Desktop Central and Desktop Central MSP

Zoho has released a security advisory to address an authentication bypass vulnerability CVE-2021-44757 in ManageEngine Desktop Central and Desktop Central MSP. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review th...

Oracle Releases January 2022 Critical Patch Update

Oracle has released its Critical Patch Update for January 2022 to address 497 vulnerabilities across multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Oracle January 2022...

CISA Adds 13 Known Exploited Vulnerabilities to Catalog

CISA has added 13 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 Urges Organizations to Implement Immediate Cybersecurity Measures to Protect Against Potential Threats

In response to recent malicious cyber incidents in Ukraine—including the defacement of government websites and the presence of potentially destructive malware on Ukrainian systems—CISA has published CISA Insights: Implement Cybersecurity Measures Now to Protect Against Potential Critical Threats...

Microsoft Warns of Destructive Malware Targeting Ukrainian Organizations

Microsoft has released a blog post on possible Master Boot Record MBR Wiper activity targeting Ukrainian organizations, including Ukrainian government agencies. According to Microsoft, powering down the victim device executes the malware, which overwrites the MBR with a ransom note; however, the...