Malware

CISA and FBI Release Fact Sheet on Protecting Against Iranian Targeting of Accounts Associated with National Political Organizations

Today, CISA and the Federal Bureau of Investigation (FBI) released joint fact sheet, How to Protect Against Iranian Targeting of Accounts Associated with National Political Organizations. This fact sheet provides information about threat actors affiliated with the Iranian Government’s Islamic Revolutionary Guard Corps (IRGC) targeting and compromising accounts of Americans to stoke discord and undermine confidence in U.S. democratic institutions. IRGC actors have previously gained and continue to seek access to personal and business accounts…

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Microsoft Releases October 2024 Security Updates

Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following and apply necessary updates: Microsoft Security Update Guide for October

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ASD’s ACSC, CISA, FBI, NSA, and International Partners Release Guidance on Principles of OT Cybersecurity for Critical Infrastructure Organizations

Today, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC)—in partnership with CISA, U.S. government and international partners—released the guide Principles of Operational Technology Cybersecurity. This guidance provides critical information on how to create and maintain a safe, secure operational technology (OT) environment. The six principles outlined in this guide are intended to aid organizations in identifying how business decisions may adversely impact the cybersecurity of OT and the specific risks associated with those…

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CISA’s VDP Platform 2023 Annual Report Showcases Success

Today, the Cybersecurity and Infrastructure Security Agency (CISA) released its Vulnerability Disclosure Policy (VDP) Platform 2023 Annual Report, highlighting the service’s remarkable success in 2023, its second full year of operation. Throughout 2023, CISA focused on advocating for the increased agency adoption of the VDP Platform, supporting federal civilian executive branch (FCEB) agencies in identifying vulnerabilities in their systems, and engaging the public security researcher community. Public security researchers play a vital role in securing our…

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Cisco Releases Security Updates for IOS and IOS XE Software

Cisco released its September 2024 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication to address vulnerabilities in IOS and IOS XE. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.   CISA encourages users and administrators to review the following and apply the necessary updates:  September 2024 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication

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ASD’s ACSC, CISA, and US and International Partners Release Guidance on Detecting and Mitigating Active Directory Compromises

Today, the Australian Signals Directorate Australian Cyber Security Centre (ASD ACSC), the Cybersecurity and Infrastructure Security Agency (CISA), and other U.S. and international partners released the joint guide Detecting and Mitigating Active Directory Compromises. This guide informs organizations of recommended strategies to mitigate common techniques used by malicious actors to compromise Active Directory. Active Directory is the most widely used authentication and authorization solution in enterprise information technology (IT) networks globally. Malicious actors routinely target…

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Threat Actors Continue to Exploit OT/ICS through Unsophisticated Means

CISA continues to respond to active exploitation of internet-accessible operational technology (OT) and industrial control systems (ICS) devices, including those in the Water and Wastewater Systems (WWS) Sector. Exposed and vulnerable OT/ICS systems may allow cyber threat actors to use default credentials, conduct brute force attacks, or use other unsophisticated methods to access these devices and cause harm.    CISA urges OT/ICS operators in critical infrastructure sectors to apply the recommendations listed in Defending OT Operations…

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Versa Networks Releases Advisory for a Vulnerability in Versa Director, CVE-2024-45229

Versa Networks has released an advisory for a vulnerability (CVE-2024-45229) affecting Versa Director. A cyber threat actor could exploit this vulnerability to exercise unauthorized REST APIs. CISA urges organizations to apply necessary updates, hunt for any malicious activity, report any positive findings to CISA, and review the following for more information: Versa Advisory

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Ivanti Releases Admin Bypass Security Update for Cloud Services Appliance

Ivanti has released a security update to address an admin bypass vulnerability (CVE-2024-8963) affecting Ivanti Cloud Services Appliance (CSA) version 4.6.  A cyber threat actor could exploit this vulnerability in conjunction with CVE-2024-8190–detailed in a Sept. 13 Ivanti security advisory–to take control of an affected system. This vulnerability impacts all versions prior to patch 519. Ivanti has confirmed limited exploitation and recommends that users upgrade to CSA version 5.0, as version 4.6 is end-of-life and…

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