CISA, FBI, and NSA Release Cybersecurity Advisory on Russian Cyber Threats to U.S. Critical Infrastructure

CISA, the Federal Bureau of Investigation FBI, and the National Security Agency NSA have released a joint Cybersecurity Advisory CSA that provides an overview of Russian state-sponsored cyber operations, including commonly observed tactics, techniques, and procedures. The CSA also provides...

Apple Releases Security Update for iCloud for Windows 13

Apple has released a security update to address multiple vulnerabilities in iCloud for Windows 13. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Apple security page and apply the necessary update. This...

Hurricane-Related Scams

CISA warns users to remain on alert for malicious cyber activity targeting potential disaster victims and charitable donors following a hurricane. Fraudulent emails—often containing malicious links or attachments—are common after major natural disasters. Exercise caution in handling emails with...

Cisco Releases Security Updates 

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

CISA and NSA Release Kubernetes Hardening Guidance

The National Security Agency NSA and CISA have released Kubernetes Hardening Guidance, a cybersecurity technical report detailing the complexities of securely managing Kubernetes—an open-source, container-orchestration system used to automate deploying, scaling, and managing containerized...

Citrix Releases Security Updates for Virtual Apps and Desktops

Citrix has released security updates to address a vulnerability in multiple versions of Virtual Apps and Desktops. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Citrix Security Update CTX319750 and apply the...

Kaseya Provides Security Updates for VSA On-Premises Software Vulnerabilities

Kaseya has released VSA version 9.5.7a for their VSA On-Premises software. This version addresses vulnerabilities that enabled the ransomware attacks on Kaseya’s customers. CISA strongly urges Kaseya customers closely follow the instructions detailed in the Kaseya security notice and contact Kase...

Microsoft Releases June 2021 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s June 2021 Security Update Summary and...

Microsoft Announces New Campaign from NOBELIUM

The Microsoft Threat Intelligence Center MSTIC has released information on the uncovering of a widespread malicious email campaign undertaken by the activity group that Microsoft tracks as NOBELIUM. NOBELIUM was initially identified in November 2020, during an intrusion at a major cybersecurity...

Microsoft Releases May 2021 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s May 2021 Security Update Summary and Deployme...

Joint NCSC-CISA-FBI-NSA Cybersecurity Advisory on Russian SVR Activity

CISA has joined with the United Kingdom's National Cyber Security Centre NCSC, the Federal Bureau of Investigation FBI, and the National Security Agency NSA, in releasing a Joint Cybersecurity Advisory on Russian Foreign Intelligence Service SVR tactics, techniques, and procedures. Further TTPs...

Mozilla Releases Security Updates for Firefox

Mozilla has released security updates to address vulnerabilities in Firefox. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla Security Advisory for Firefox 88.0.1 and apply the necessary updates...

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...

CISA Releases Alert on Exploitation of Pulse Connect Secure Vulnerabilities

CISA is aware of ongoing exploitation of Ivanti Pulse Connect Secure vulnerabilities compromising U.S. government agencies, critical infrastructure entities, and private sector organizations. In response, CISA has released Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as...

NAME:WRECK DNS Vulnerabilities

Cybersecurity researchers from Forescout and JSOF have released a report on a set of nine vulnerabilities—referred to as NAME:WRECK—affecting Domain Name System DNS implementations. NAME:WRECK affects at least four common TCP/IP stacks—FreeBSD, IPNet, NetX, and Nucleus NET—that are used in Intern...

Cisco Releases Advisories for Multiple Products

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

CISA Insights: Email-Based Attacks on Elections-Related Entities

The Cybersecurity and Infrastructure Security Agency CISA has released CISA Insights: Actions to Counter Email-Based Attacks on Elections-Related Entities in light of increased sophisticated phishing operations targeting individuals and groups involved in the upcoming U.S. elections. CISA strongl...

CIS Releases 2019 Year in Review

The Center for Internet Security CIS has released its 2019 Year in Review. CIS is home to the Multi-State Information Sharing & Analysis Center MS-ISAC, a Cybersecurity and Infrastructure Security Agency CISA partner focused on cyber threat prevention, protection, response, and recovery for U.S...

VMware Releases Security Updates for Multiple Products

VMware has released security updates to address a vulnerability in VMware Fusion, Remote Console, and Horizon Client. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators t...

Cisco Releases Multiple Security Updates

Cisco has released security updates to address vulnerabilities affecting multiple products. A remote 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. The...

Ripple20 Vulnerabilities Affecting Treck IP Stacks

The Cybersecurity and Infrastructure Security Agency CISA is aware of multiple vulnerabilities, known as Ripple20, affecting Treck IP stack implementations for embedded systems. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages user...

Apple Releases Security Updates

Apple has released security updates to address vulnerabilities in multiple products. A remote 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 App...

Juniper Releases Security Updates for Junos OS

Juniper has released security updates to address a vulnerability affecting multiple versions of Junos operating systems. A remote attacker can exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and...

FBI Releases Guidance on Defending Against VTC Hijacking and Zoom-bombing

The Federal Bureau of Investigation FBI has released an article on defending against video-teleconferencing VTC hijacking referred to as “Zoom-bombing” when attacks are to the Zoom VTC platform. Many organizations and individuals are increasingly dependent on VTC platforms, such as Zoom and...

Intel Releases Security Updates

Intel has released security updates to address vulnerabilities in multiple products. An authenticated attacker with local access could exploit some of these vulnerabilities to gain escalation of privileges. The Cybersecurity and Infrastructure Security Agency CISA encourages users and...

Adobe Releases Security Updates for After Effects and Media Encoder

Adobe has released security updates to address vulnerabilities in After Effects and Media Encoder. 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 Adobe...

VMware Releases Security Updates for vRealize Operations for Horizon Adapter

VMware has released security updates to address multiple vulnerabilities in vRealize Operations for Horizon Adapter. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and...

FBI Releases IC3 2019 Internet Crime Report

The Federal Bureau of Investigation FBI Internet Crime Complaint Center IC3 has released the 2019 Internet Crime Report, which includes statistics based on data reported by the public through the IC3 website. The top three crimes types reported by victims in 2019 were...

Google Releases Security Updates for Chrome

Google has released Chrome 80 version 80.0.3987.87 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the...

FBI Releases Article on Defending Against E-Skimming

The Federal Bureau of Investigation FBI has released an article to raise awareness on e-skimming threats. E-skimming occurs when an attacker injects malicious code onto a website to capture credit or debit card data or personally identifiable information PII. The Cybersecurity and Infrastructure...

Multiple Vulnerabilities in Pulse Secure VPN

The CERT Coordination Center CERT/CC has released information on multiple vulnerabilities affecting Pulse Secure Virtual Private Network VPN. An attacker could exploit these vulnerabilities to take control of an affected system. These vulnerabilities have been targeted by advanced persistent thre...

Microsoft Releases September 2019 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. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review...

September is National Preparedness Month: Be Prepared, Not Scared

National Preparedness Month NPM promotes family and community disaster and emergency planning. This year’s theme is “Prepared, Not Scared.” Although most people understand that being prepared is essential to getting through an emergency such as a natural disaster, there is less awareness about th...

CIS Releases Newsletter on Cleaning Up Data and Devices

The Center for Internet Security CIS July Newsletter reminds users to properly dispose of old or unused data and devices. Without careful management of online accounts, cloud storage, physical storage, and electronic devices, users could inadvertently disclose sensitive information that can be...

CISA Webinar: Holistic Approach to Mitigating Insider Threats

Want to recognize indicators of cybersecurity and physical insider threats? On July 29, 2019, from 2-3 p.m. ET, the Cybersecurity and Infrastructure Security Agency will host a webinar providing expert guidance for a holistic approach to detect and deter these threats. Understanding how to preven...

WaterISAC Releases Cybersecurity Fundamentals

The Water Information Sharing and Analysis Center WaterISAC recently released an updated cybersecurity fundamentals guide for water and wastewater utilities. The guide includes cybersecurity best practices, grouped into 15 categories, to help sector utilities reduce exploitable weaknesses and...

Apple Releases Security Updates for AirPort Extreme, AirPort Time Capsule

Apple has released AirPort Base Station Firmware Update 7.91 to address vulnerabilities in AirPort Extreme and AirPort Time Capsule wireless routers. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security...

Vulnerability in Multiple VPN Applications

The CERT Coordination Center CERT/CC has released information on a vulnerability affecting multiple Virtual Private Network VPN applications. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages...

VMware Releases Security Updates

VMware has released security updates to address a vulnerability in Workstation and Fusion. An attacker could exploit this vulnerability to take control of an affected system. NCCIC encourages users and administrators to review VMware Security Advisory VMSA-2018-0030 and apply the necessary update...

Microsoft Releases November 2018 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. NCCIC encourages users and administrators to review Microsoft’s November 2018 Security Update Summary and...

NCCIC Releases Analysis Report on JexBoss

NCCIC has released Analysis Report AR AR18-312A: JexBoss - JBoss Verify and EXploitation Tool. Cyber threat actors use JexBoss to remotely access victims' systems. The report provides information on JexBoss' capabilities, as well as suggestions for detection and mitigation. NCCIC encourages users...

libssh Releases Security Updates

libssh has released security updates addressing a vulnerability affecting libssh versions 0.6 and above. A remote attacker could exploit this vulnerability to take control of an affected system. NCCIC encourages users and administrators to review the libssh Security Release for additional...

FBI Releases Guidance on Defending Against Travel Scams

The Federal Bureau of Investigation FBI has released an article on building a digital defense against travel scams. FBI explains how scammers trick consumers with "free" vacation ploys. These offers may be fake or involve hidden fees. Legitimate companies will not ask prize winners to pay to clai...

Intel Releases Security Advisory on Lazy FP State Restore Vulnerability

Intel has released recommendations to address a vulnerability—dubbed Lazy FP state restore—affecting Intel Core-based microprocessors. An attacker could exploit this vulnerability to obtain access to sensitive information. NCCIC encourages users and administrators to review Intel's Security...

IRS Warns Tax Professionals of Phishing Scam

The Internal Revenue Service IRS has issued a news release warning tax professionals to beware of a new phishing email scam. Cyber criminals posing as state accounting and professional associations have been sending emails to entice their targets to reveal login credentials. Tax practitioners...

Apple Releases Multiple Security Updates

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. NCCIC/US-CERT encourages users and administrators to review Apple security pages for the following products and apply...

Lenovo Releases Security Advisory

Lenovo has released security updates to address a vulnerability affecting Enterprise Network Operating System ENOS firmware. An attacker could exploit this vulnerability to obtain sensitive information. NCCIC/US-CERT encourages users and administrators to review Lenovo's Security Advisory and the...

Apple Releases Security Update for macOS High Sierra

Apple has released a supplemental security update to address a vulnerability in macOS High Sierra 10.13. An attacker could exploit this vulnerability to take control of an affected system. US-CERT encourages users and administrators to review CERT/CC Vulnerability Note VU113765 and the Apple...

Apple Releases Multiple Security Updates

Apple has released security updates for several products to address multiple vulnerabilities. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review the following Apple Support Articles...

Google Releases Security Update for Chrome

Google has released Chrome version 57.0.2987.98 for Windows, Mac, and Linux. This version addresses multiple vulnerabilities that, if exploited, may allow an attacker to take control of an affected system. US-CERT encourages users and administrators to review the Chrome Releases page and apply th...