CISA Releases New Alert on Post-Compromise Threat Activity in Microsoft Cloud Environments and Tools to Help Detect This Activity

CISA has evidence of post-compromise advanced persistent threat APT activity in the cloud environment. Specifically, CISA has seen an APT actor using compromised applications in a victim’s Microsoft 365 M365/Azure environment and using additional credentials and Application Programming Interface...

Cisco Releases Security Advisory for Vulnerability in AnyConnect Software

Cisco has released security updates to address vulnerabilities in AnyConnect Secure Mobility Client Software and Security Manager. An attacker could exploit these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and...

EOL D-Link Routers Vulnerable to Remote Command Execution

The CERT Coordination Center CERT/CC has released information on a vulnerability CVE-2019-16920 affecting multiple D-Link routers. A remote attacker could exploit this vulnerability to take control of an affected device. D-Link no longer provides support to the affected end-of-life EOL devices, a...

Adobe Releases Security Updates

Adobe has released security updates to address vulnerabilities in Adobe Photoshop CC and Adobe Digital Editions. An attacker could exploit these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to...

Adobe Releases Security Updates for Reader, Acrobat, and Flash Player

Adobe has released security updates to address multiple vulnerabilities in Reader, Acrobat, and Flash Player. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to review Adobe Security Bulletins...

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-2026-34197link is external Apache ActiveMQ Improper Input Validation Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber acto...

Cybersecurity Performance Goals 2.0 for Critical Infrastructure

Today, CISA released updated Cross-Sector Cybersecurity Performance Goals CPG 2.0 with measurable actions for critical infrastructure owners and operators to achieve a foundational level of cybersecurity. This update incorporates lessons learned, aligns with the most recent National Institute of...

CISA Releases Seven Industrial Control Systems Advisories

CISA released seven Industrial Control Systems ICS advisories on August 12, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-224-01 Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share ICSA-25-224-02 Johns...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2025-0108link is external Palo Alto PAN-OS Authentication Bypass Vulnerability CVE-2024-53704link is external SonicWall SonicOS SSLVPN Improper Authentication...

CISA Releases Fact Sheet Detailing Embedded Backdoor Function of Contec CMS8000 Firmware

CISA released a fact sheet, Contec CMS8000 Contains a Backdoor, detailing an analysis of three firmware package versions of the Contec CMS8000, a patient monitor used by the U.S. Healthcare and Public Health HPH sector. Analysts discovered that an embedded backdoor function with a hard-coded IP...

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2021-33044link is external Dahua IP Camera Authentication Bypass Vulnerability CVE-2021-33045link is external Dahua IP Camera Authentication Bypass Vulnerability...

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...

Samba Releases Security Update

The Samba Team has released a security update to address a vulnerability in multiple versions of Samba. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Samba Security Announcement CVE-2021-43566 and apply the...

CISA Publishes Eviction Guidance for Networks Affected by SolarWinds and AD/M365 Compromise

CISA has released an analysis report, AR21-134A Eviction Guidance for Networks Affected by the SolarWinds and Active Directory/M365 Compromise. The report provides detailed steps for affected organizations to evict the adversary from compromised on-premises and cloud environments. Additionally,...

Google Releases Security Updates for Chrome

Google has released Chrome version 86.0.4240.198 for Windows, Mac, and Linux. This version addresses CVE-2020-16013 and CVE-2020-16017. An attacker could exploit one of these vulnerabilities to take control of an affected system. These vulnerabilities have been detected in exploits in the wild. T...

Apache Releases Security Advisory for Apache Tomcat

The Apache Software Foundation has released a security advisory to address a vulnerability in Apache Tomcat. An attacker could exploit this vulnerability to cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review...

Microsoft Releases Outlook for Android Security Update

Microsoft has released an update to address a vulnerability in Outlook for Android. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the Microsoft Security...

Potential Hurricane Harvey Phishing Scams

US-CERT warns users to remain vigilant for malicious cyber activity seeking to capitalize on interest in Hurricane Harvey. Users are advised to exercise caution in handling any email with subject line, attachments, or hyperlinks related to Hurricane Harvey, even if it appears to originate from a...

ISC Releases Security Updates for BIND

The Internet Systems Consortium ISC has released updates that address multiple vulnerabilities in BIND. A remote attacker could exploit any of these vulnerabilities to cause a denial-of-service condition. Available updates include: BIND 9 version 9.9.9-P8 BIND 9 version 9.10.4-P8 BIND 9 version...

Enhanced Analysis of GRIZZLY STEPPE

The Department of Homeland Security DHS has released an Analysis Report AR related to malicious cyber activity designated as GRIZZLY STEPPE. This AR provides a thorough analysis of the methods threat actors use to infiltrate systems, as well as specific mitigation techniques that may be used to...

Apple Releases Multiple Security Updates

Apple has released security updates for Apple OS X Lion 10.7 to 10.7.2, OS X Lion Server 10.7 to 10.7.2, Mac OS 10.6.8, and Mac OS X Server v 10.6.8 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition,...

Oracle Releases Security Alert for WebLogic Server Vulnerability

Oracle has released a security alert to address a vulnerability in Oracle WebLogic Server. Exploitation of this vulnerability may allow a remote, unauthenticated attacker to execute arbitrary commands on an affected system. US-CERT encourages users and administrators to review the Oracle security...

CISA Releases Eight Industrial Control Systems Advisories

CISA released eight Industrial Control Systems ICS advisories on June 24, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-175-01 Kaleris Navis N4 Terminal Operating System ICSA-25-175-02 Delta Electronics...

ISC Releases Security Advisories for Multiple Versions of BIND 9

The Internet Systems Consortium ISC has released security advisories that address vulnerabilities affecting multiple versions of the ISC’s Berkeley Internet Name Domain BIND 9. A remote attacker could exploit these vulnerabilities to potentially cause denial-of-service conditions. For advisories...

CISA Releases Supplemental Guidance on Emergency Directive for Microsoft Exchange Server Vulnerabilities

CISA has issued supplemental direction to Emergency Directive ED 21-02: Mitigate Microsoft Exchange On-Premises Product Vulnerabilities providing additional forensic triage and server hardening, requirements for federal agencies. Specifically, this update directs federal departments and agencies ...

SonicWall Releases Additional Patches

SonicWall has released firmware patches for SMA 100 series products in an update to its previous alert from February 3, 2021. A remote attacker could exploit a vulnerability in versions of SMA 10 prior to 10.2.0.5-29sv to take control of an affected system. CISA encourages users and administrator...

NSA Releases Guidance on Mitigating Cloud Vulnerabilities

The National Security Agency NSA has released an information sheet with guidance on mitigating cloud vulnerabilities. NSA identifies cloud security components and discusses threat actors, cloud vulnerabilities, and potential mitigation measures. The Cybersecurity and Infrastructure Security Agenc...

ISC Releases Security Advisory for BIND

The Internet Systems Consortium ISC has released a security advisory that addresses a vulnerability affecting multiple versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. The Cybersecurity and Infrastructur...

Adobe Releases Security Updates for Adobe Reader and Acrobat

Adobe has released a security advisory for Adobe Reader and Acrobat to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to cause a denial-of-service condition or take control of the affected system. Adobe is aware of reports that two vulnerabilities...

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-25-350-01 Güralp Systems FMUS Fortimus Series and MIN Minimus Series ICSA-25-350-02 Johnson Controls PowerG,...

Opportunistic Pro-Russia Hacktivists Attack US and Global Critical Infrastructure

CISA, in partnership with Federal Bureau of Investigation, the National Security Agency, Department of Energy, Environmental Protection Agency, the Department of Defense Cyber Crime Center, and other international partners published a joint cybersecurity advisory, Pro-Russia Hacktivists Create...

Widespread Supply Chain Compromise Impacting npm Ecosystem

CISA is releasing this Alert to provide guidance in response to a widespread software supply chain compromise involving the world’s largest JavaScript registry, npmjs.com. A self-replicating worm—publicly known as “Shai-Hulud”—has compromised over 500 packages.i After gaining initial access, the...

CISA and FBI Release Advisory on How Threat Actors Chained Vulnerabilities in Ivanti Cloud Service Applications

CISA, in partnership with the Federal Bureau of Investigation FBI, released Threat Actors Chained Vulnerabilities in Ivanti Cloud Service Applications. This advisory was crafted in response to exploitation of vulnerabilities—CVE-2024-8963, an administrative bypass vulnerability; CVE-2024-9379, a...

CISA Adds Two Known Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-41064 Apple iOS, iPadOS, and macOS ImageIO Buffer Overflow CVE-2023-41061 Apple iOS, iPadOS, and watchOS Wallet Code Execution Vulnerability These types of...

CISA Adds Eight Known Exploited Vulnerabilities to Catalog

CISA has added eight new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2019-17621 D-Link DIR-859 Router Command Execution Vulnerability CVE-2019-20500 D-Link DWL-2600AP Access Point Command Injection Vulnerability CVE-2021-25487...

CISA Has Added One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. This type of vulnerability is a frequent attack vector for malicious cyber actors and poses a significant risk to the federal enterprise. Note: To view the newly added...

CISA Releases Twelve Industrial Control Systems Advisories

CISA released twelve Industrial Control Systems ICS advisories on January 12, 2023. 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...

FBI, FDA OCI, and USDA Release Joint Cybersecurity Advisory Regarding Business Email Compromise Schemes Used to Steal Food

The Federal Bureau of Investigation FBI, the Food and Drug Administration Office of Criminal Investigations FDA OCI, and the U.S. Department of Agriculture USDA have released a joint Cybersecurity Advisory CSA detailing recently observed incidents of criminal actors using business email compromis...

Joint CISA FBI MS-ISAC Guide on Responding to DDoS Attacks and DDoS Guidance for Federal Agencies

CISA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC have released Understanding and Responding to Distributed Denial-of-Service Attacks to provide organizations proactive steps to reduce the likelihood and impact of distributed...

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...

Citrix Releases Security Updates 

Citrix has released security updates to address multiple vulnerabilities in Application Delivery Controller, Gateway, and SD-WAN WANOP Edition. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Citrix...

NCIJTF Releases Ransomware Factsheet

The National Cyber Investigative Joint Task Force NCIJTF has released a joint-sealed ransomware factsheet to address current ransomware threats and provide information on prevention and mitigation techniques. The Ransomware Factsheet was developed by an interagency group of subject matter experts...

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. The Cybersecurity and Infrastructu...

Apple Releases Security Updates

Apple has released security updates to address a vulnerability in multiple products. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the Apple security pages...

ISC Releases Security Advisory for BIND

The Internet Systems Consortium ISC has released security advisories that addresses 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. The Cybersecurity and...

Microsoft Releases Outlook for Android Security Update

Microsoft has released an update to address a vulnerability in Outlook for Android. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the Microsoft Security...

Exim Releases Security Patches

Exim has released patches to address vulnerabilities affecting Exim 4.92.1 and prior versions. A remote attacker could exploit this vulnerability to take control of an affected email server. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review th...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in Samba. 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 review the Samba Securi...

Mozilla Releases Security Update for Thunderbird

Mozilla has released a security update to address vulnerabilities in Thunderbird. An attacker could exploit these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the Mozilla Security...

ISC Releases Security Advisory for BIND

The Internet Systems Consortium ISC has released a security advisory that addresses a vulnerability affecting multiple versions of ISC Berkeley Internet Name Domain BIND. Under certain conditions, a remote attacker could exploit this vulnerability to modify records on an affected server. NCCIC...