CISA Releases Analysis of FY23 Risk and Vulnerability Assessments

CISA has released an analysis and infographic detailing the findings from the 143 Risk and Vulnerability Assessments RVAs conducted across multiple critical infrastructure sectors in fiscal year 2023 FY23. The analysis details a sample attack path including tactics and steps a cyber threat actor...

CISA and Partners Release Advisory on RansomHub Ransomware

Today, CISA—in partnership with the Federal Bureau of Investigation FBI, Multi-State Information Sharing and Analysis Center MS-ISAC, and Department of Health and Human Services HHS—released a joint Cybersecurity Advisory, StopRansomware: RansomHub Ransomware. This advisory provides network...

Widespread IT Outage Due to CrowdStrike Update

Note: CISA will update this Alert with more information as it becomes available. Update 4:30 p.m., EDT, August 6, 2024: CrowdStrike has published its Root Cause Analysis RCA reportlink is external. According to CrowdStrike, “the full report elaborates on the information previously shared in our...

CISA and Partners Release Fact Sheet on Defending OT Operations Against Ongoing Pro-Russia Hacktivist Activity

Today, CISA, in collaboration with U.S. and international partners, published a joint fact sheet, Defending OT Operations Against Ongoing Pro-Russia Hacktivist Activity. This fact sheet provides information and mitigations associated with cyber operations conducted by pro-Russia hacktivists who...

Juniper Networks Releases Security Bulletin for Junos OS and Junos OS Evolved

Juniper Networks has released a security advisory to address a vulnerability CVE-2024-21611 in Junos OS and Junos OS Evolved. A cyber threat actor could exploit this vulnerability to cause a denial-of-service condition. CISA encourages users and administrators to review the Juniper Advisory...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-46604 Apache ActiveMQ Deserialization of Untrusted Data Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-20273 Cisco IOS XE Web UI Command Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

JCDC Announces 2023 Planning Agenda

Today, the Joint Cyber Defense Collaborative JCDC announced its 2023 Planning Agenda. This release marks a major milestone in the continued evolution and maturation of the collaborative’s planning efforts. JCDC’s Planning Agenda brings together government and private sector partners to develop an...

CISA Publishes User Guide to Prepare for Nov. 1 Move to TLP 2.0

CISA has published its Traffic Light Protocol 2.0 User Guide and Traffic Light Protocol: Moving to Version 2.0 fact sheet in preparation for its November 1, 2022 move from Traffic Light Protocol TLP Version 1.0 to TLP 2.0. Managed by the Forum of Incident Response and Security Teams FIRST, TLP is...

CISA Releases Five Industrial Control Systems Advisories

CISA released five Industrial Control Systems ICS advisories on September 13, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for...

CISA Joins Partners to Release Advisory on Protecting MSPs and their Customers

The cybersecurity authorities of the United Kingdom, Australia, Canada, New Zealand, and the United States have released joint Cybersecurity Advisory CSA, Protecting Against Cyber Threats to Managed Service Providers and their Customers, to provide guidance on how to protect against malicious cyb...

FBI and FinCEN Release Advisory on AvosLocker Ransomware

The Federal Bureau of Investigation FBI and the Department of the Treasury’s Financial Crimes Enforcement Network FinCEN have released a joint Cybersecurity Advisory identifying indicators of compromise associated with AvosLocker ransomware. AvosLocker is a ransomware-as-a-service affiliate-based...

 ICSJWG 2021 Fall Virtual Meeting

The Industrial Control Systems Joint Working Group ICSJWG will hold the virtual 2021 ICSJWG Fall Meeting, September 21—22, 2021. ICSJWG meetings facilitate relationship building among critical infrastructure stakeholders and owners/operators of industrial control systems, idea exchange regarding...

Joint CISA-FBI Cybersecurity Advisory on DarkSide Ransomware

CISA and the Federal Bureau of Investigation FBI have released a Joint Cybersecurity Advisory CSA on a ransomware-as-a-service RaaS variant—referred to as DarkSide—recently used in a ransomware attack against a critical infrastructure CI company. Cybercriminal groups use DarkSide to gain access t...

VMware Releases Security Updates for VMware SD-WAN Orchestrator

VMware has released security updates to address multiple vulnerabilities in VMware SD-WAN Orchestrator. An attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to...

Malicious Activity Targeting COVID-19 Research, Vaccine Development

In response to malicious activity targeting COVID-19 research and vaccine development in the United States, United Kingdom UK, and Canada, the Cybersecurity and Infrastructure Security Agency CISA, UK’s National Cyber Security Centre NCSC, Canada’s Communications Security Establishment CSE, and t...

New CWE List of Common Security Weaknesses

MITRE has released version 4.0 of the community-developed Common Weakness Enumeration CWE list. Previous CWE list versions describe common software security weaknesses. With version 4.0, the CWE list expands to include hardware security weaknesses. Additionally, version 4.0 simplifies the...

NCSC-NZ Releases Annual Cyber Threat Report

The New Zealand National Cyber Security Centre NCSC-NZ has released their annual report detailing cyber threats and incidents affecting New Zealand from July 2018 to June 2019. During this period, NCSC-NZ recorded an increase in the severity of cybersecurity incidents—particularly from...

CISA Launches “Cyber Essentials” for Small Businesses and Small SLTT Governments

The Cybersecurity and Infrastructure Security Agency CISA has launched Cyber Essentials, an effort to assist small organizations in understanding and addressing cybersecurity risks. Developed in partnership with small businesses and small state, local, tribal, and territorial SLTT governments,...

Creating and Managing Strong Passwords

NCCIC/US-CERT reminds users of the importance of creating and managing strong passwords. Passwords are often the only barrier between you and your personal information. There are several programs attackers can use to help guess or "crack" passwords. However, choosing strong passwords and keeping...

Cisco Releases Security Update

Cisco has released a security update to address a vulnerability in its Unified Computing System UCS Performance Manager. Exploitation of this vulnerability could allow an authenticated remote attacker to take control of an affected system. Users and administrators are encouraged to review the Cis...

IRS Releases First in a Series of Tax Security Tips

The Internal Revenue Service IRS has released the first in a series of tips intended to increase public awareness of how to protect personal and financial data online and at home. A new tip will be available each Monday through the start of the tax season in January. The first tip focuses on seve...

Cisco Releases Semiannual IOS Software Security Advisory Bundled Publication

Cisco has released its semiannual Cisco IOS Software Security Advisory Bundled Publication. This publication includes seven Security Advisories that address vulnerabilities in Cisco IOS Software. Exploits of these vulnerabilities could result in a denial of service DoS condition, interface queue...

Apple Releases Security Updates for iOS and Apple TV

Apple has released security updates for iOS devices and Apple TV to address multiple vulnerabilities, one of which could allow an attacker to decrypt data protected by SSL. Updates available include: iOS 8.1 for iPhone 4s and later, iPod touch 5th generation and later, and iPad 2 and later Apple ...

Easter Holiday Phishing Scams and Malware Campaigns

As the Easter holiday approaches, US-CERT reminds users to stay aware of holiday scams and cyber campaigns, which may include: shipping notifications that may be phishing scams or may contain malware electronic greeting cards that may contain malware requests for charitable contributions that may...

Microsoft Releases Advance Notification for December Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification indicating that its December 2013 release will contain 11 bulletins. These bulletins will have severity ratings of critical and important and will be for Microsoft Windows, Microsoft Office, Microsoft Lync, Internet Explorer, Microsoft...

Microsoft Releases April Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer, .NET Framework, Office, SQL Server, Server Software, Developer Tools, and Forefront United Access Gateway as part of the Microsoft Security Bulletin Summary for April 2012. These vulnerabilities may...

Cisco Releases Multiple Security Advisories

Cisco has released nine security advisories to address multiple vulnerabilities affecting Cisco IOS software. These vulnerabilities may allow an attacker to execute arbitrary code, operate at elevated privileges, or cause a denial-of-service condition. US-CERT encourages users and administrators ...

Foxit Releases Foxit Reader 5.0.2

The Foxit Corporation has released Foxit Reader 5.0.2 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the security release notes for Foxit Reader 5.0.2 and apply any necessary updates...

Oracle Releases Critical Patch Update for June 2011

Oracle released its June Critical Patch Update CPU containing 17 security fixes for the following products: JDK and JRE 6 Update 25 and earlier for Windows, Solaris, and Linux JDK and JRE 5.0 Update 29 and earlier for Windows, Solaris, and Linux SDK and JRE 1.4.231 and earlier for Windows, Solari...

Microsoft Security Advisory 2488013

Microsoft Security Advisory 2488013 addresses a vulnerability in Internet Explorer. This advisory has been updated to include Microsoft Fix It 50591 that prevents the recursive loading of CSS style sheets in Internet Explorer as a mitigation for this vulnerability. Exploitation of this...

Firefox 3.5 and 3.6 Vulnerability

Mozilla has released a blog entry indicating that it is aware of a critical vulnerability affecting Firefox 3.5 and Firefox 3.6. This vulnerability may allow an attacker to execute arbitrary code. The blog entry indicates that active exploitation of this vulnerability has been detected. Update: T...

Microsoft Re-Releases Security Update for MS10-025

Microsoft has re-released the security update related to Microsoft security bulletin MS10-025. This vulnerability affects Windows Media Services running on Windows 2000 Server. The original release of this update had been revoked last week because it did not effectively correct the underlying...

Oracle Releases Critical Patch Update for January 2010

Oracle has released its Critical Patch Update for January 2010 to address 24 vulnerabilities across several products. This update contains the following security fixes: 10 for Oracle Database 3 for Oracle Application Server 3 for the Oracle Applications Suite 1 for PeopleSoft and JD Edwards Suite...

CISA Adds Seven Known Exploited Vulnerabilities to Catalog

CISA has added seven new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-9586link is external Sangoma Switchvox SQL Injection Vulnerability CVE-2026-48710link is external Kludex Starlette HTTP Request/Response Smuggling...

CISA Adds Eight Known Exploited Vulnerabilities to Catalog

CISA has added eight new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2023-27351link is external PaperCut NG/MF Improper Authentication Vulnerability CVE-2024-27199link is external JetBrains TeamCity Relative Path Traversal...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-33017link is external Langflow Code Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses...

CISA Releases Six Industrial Control Systems Advisories

CISA released six Industrial Control Systems ICS Advisories. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-324-01 Automated Logic WebCTRL Premium Server ICSA-25-324-02 ICAM365 CCTV Camera Multiple Models...

CISA Releases Three Industrial Control Systems Advisories

CISA released three Industrial Control Systems ICS Advisories. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-301-01 Schneider Electric EcoStruxure ICSMA-25-301-01 Vertikal Systems Hospital Manager Backend Services...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-54253link is external Adobe Experience Manager Forms Code Execution Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber...

CISA Releases Thirteen Industrial Control Systems Advisories

CISA released thirteen Industrial Control Systems ICS advisories on May 20, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-140-01 ABUP IoT Cloud Platform ICSA-25-140-02 National Instruments Circuit Design Sui...

CISA Releases Six Industrial Control Systems Advisories

CISA released six Industrial Control Systems ICS advisories on November 26, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-331-01 Schneider Electric PowerLogic PM55xx and PowerLogic PM8ECC ICSA-24-331-02...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-28986 SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber...

CISA and Partners Release Advisory on PRC-sponsored Volt Typhoon Activity and Supplemental Living Off the Land Guidance

Today, CISA, the National Security Agency NSA, and the Federal Bureau of Investigation FBI released a joint Cybersecurity Advisory CSA, PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure alongside supplemental Joint Guidance: Identifying and...

VMware Releases Security Update for Cloud Director Appliance

VMware has released a security advisory addressing a vulnerability in VMWare Cloud Director Appliance. Cyber threat actors may exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the following VMware security advisory and apply the...

CISA Updates Guidance for Addressing Cisco IOS XE Web UI Vulnerabilities With Additional Releases

Today, CISA updated its guidance addressing two vulnerabilities, CVE-2023-20198 and CVE-2023-20273, affecting Cisco’s Internetworking Operating System IOS XE Software Web User Interface UI. The guidance now notes that Cisco has fixed these vulnerabilities for the 17.6 Cisco IOS XE software releas...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2017-18368 Zyxel P660HN-T1A Routers Command Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

CISA Releases Security Advisory on Dominion Voting Systems Democracy Suite ImageCast X

CISA has released an Industrial Controls Systems Advisory ICSA detailing vulnerabilities affecting versions of the Dominion Voting Systems Democracy Suite ImageCast X, which is an in-person voting system used to allow voters to mark their ballot. Exploitation of these vulnerabilities would requir...

North Korean State-Sponsored APT Targets Blockchain Companies

CISA, the Federal Bureau of Investigation FBI, and the U.S. Treasury Department have released a joint Cybersecurity Advisory CSA that details cyber threats associated with cryptocurrency thefts and tactics used by a North Korean state-sponsored advanced persistent threat APT actor known as the...

ICSJWG Spring 2022 Virtual Meeting

The Industrial Control Systems Joint Working Group ICSJWG will hold its Spring 2022 Virtual Meeting April 26–27. ICSJWG meetings facilitate relationship building among critical infrastructure stakeholders and owners/operators of industrial control systems, idea exchanges regarding critical issues...