Protecting Critical Infrastructure from Cyber Threats

October is National Cybersecurity Awareness Month, an annual campaign to raise awareness about cybersecurity. Building resilience in critical infrastructure is crucial to national security. The essential infrastructure systems that support our daily lives—such as electricity, financial...

WordPress Releases Security Update

WordPress versions prior to 4.8.3 are affected by a vulnerability. A remote attacker could exploit this vulnerability to obtain sensitive information. US-CERT encourages users and administrators to review the WordPress Security Release and upgrade to WordPress 4.8.3. This product is provided...

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

Google Releases Security Update for Chrome

Google has released Chrome version 62.0.3202.75 for Windows, Mac, and Linux. This version addresses a vulnerability that an attacker could exploit to cause a denial-of-service condition. US-CERT encourages users and administrators to review the Chrome Releases page and apply the necessary update...

Multiple Ransomware Infections Reported

US-CERT has received multiple reports of ransomware infections, known as Bad Rabbit, in many countries around the world. A suspected variant of Petya, Bad Rabbit is ransomware—malicious software that infects a computer and restricts user access to the infected machine until a ransom is paid to...

Google Releases Security Updates for Chrome

Google has released Chrome version 62.0.3202.62 for Windows, Mac, and Linux 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 Chrome Releas...

Cisco Releases Security Updates

Cisco has released updates to address vulnerabilities affecting multiple products. A remote attacker could exploit one of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review the following Cisco Security Advisories and apply the...

IC3 Issues Alert on IoT Devices

In conjunction with National Cyber Security Awareness Month, the Internet Crime Complaint Center IC3 has issued an alert to individuals and businesses about the security risks involved with the Internet of Things IoT. IoT refers to the emerging network of devices e.g., smart TVs, home automation...

IC3 Issues Alert on DDoS Attacks

The Internet Crime Complaint Center IC3 has issued an alert on distributed denial-of-service DDoS-for-hire services advertised on criminal forums and marketplaces. Using DDoS attacks to prevent legitimate users from accessing websites or information can lead to serious consequences. US-CERT...

Adobe Releases Security Updates

Adobe has released security updates to address a vulnerability in Adobe Flash Player. A remote attacker could exploit this vulnerability to take control of an affected system. US-CERT encourages users and administrators to review Adobe Security Bulletin APSB17-32 and apply the necessary updates...

Mozilla Releases Security Update

Mozilla has released a security update to address multiple vulnerabilities in Thunderbird. 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 Mozilla Security Advisory for...

Cybersecurity in the Workplace is Everyone’s Business

October is National Cybersecurity Awareness Month, an annual campaign to raise awareness about cybersecurity. Creating a culture of cybersecurity is critical for all organizations—large and small businesses, academic institutions, non-profits, and government agencies—and is a responsibility share...

Apple Releases Security Update for macOS High Sierra

Apple has released a supplemental security update to address vulnerabilities in macOS High Sierra 10.13. An attacker could exploit these vulnerabilities to obtain sensitive information. US-CERT encourages users and administrators to review the Apple security page for macOS High Sierra 10.13 and...

National Cybersecurity Awareness Month: Simple Steps to Online Safety

October is National Cybersecurity Awareness Month NCSAM, an annual campaign to raise awareness about cybersecurity. The National Cyber Security Alliance NCSA has published general tips to help you increase your cybersecurity awareness—including whom to contact if you are the victim of cyber...

Dnsmasq Contains Multiple Vulnerabilities

Dnsmasq versions 2.77 and prior contain 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 VUL Note VU973527 for more information and update to dnsmasq...

Apache Releases Security Updates for Apache Tomcat

The Apache Software Foundation has released Apache Tomcat 9.0.1 and 8.5.23 to address a vulnerability in previous versions of the software. A remote attacker could exploit this vulnerability to take control of an affected server. US-CERT encourages users and administrators to review the Apache...

Apple Releases Security Update for iOS

Apple has released iOS 11.0.2 to address vulnerabilities in previous versions of iOS. Exploitation of some of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review the Apple security page for iOS 11.0.2 and...

October is National Cybersecurity Awareness Month

October is National Cybersecurity Awareness Month NCSAM. NCSAM is a collaborative effort between DHS and its public and private partners--including the National Cyber Security Alliance NCSA--to raise awareness about the vital role cybersecurity plays in the lives of U.S. citizens. US-CERT will be...

DNSSEC Key Signing Key Rollover Postponed

The Internet Corporation for Assigned Names and Numbers ICANN has announced that the change to the Root Zone Key Signing Key KSK scheduled for October 11, 2017, has been postponed. A new date for the Key Roll has not yet been determined. DNSSEC is a set of DNS protocol extensions used to digitall...

Mozilla Releases Security Updates

Mozilla has released security updates to address multiple vulnerabilities in Firefox ESR 52.4 and Firefox 56. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review the Mozilla Security Advisories...