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...

Russian State-Sponsored Cyber Actors Access Network Misconfigured with Default MFA Protocols

CISA and the Federal Bureau of Investigation FBI have released a joint Cybersecurity Advisory that details how Russian state-sponsored cyber actors accessed a network with misconfigured default multifactor authentication MFA protocols. The actors then exploited a critical Windows Print Spooler...

Iranian Government-Sponsored MuddyWater Actors Conducting Malicious Cyber Operations

CISA, the Federal Bureau of Investigation FBI, U.S. Cyber Command Cyber National Mission Force CNMF, the United Kingdom’s National Cyber Security Centre NCSC-UK, and the National Security Agency NSA have issued a joint Cybersecurity Advisory CSA detailing malicious cyber operations by Iranian...

U.S. Says Russian Hackers Stealing Sensitive Data from Defense Contractors

State-sponsored actors backed by the Russian government regularly targeted the networks of several U.S. cleared defense contractors CDCs to acquire proprietary documents and other confidential information pertaining to the country's defense and intelligence programs and capabilities. The sustaine...

2021 Trends Show Increased Globalized Threat of Ransomware

CISA, the Federal Bureau of Investigation FBI, the National Security Agency NSA, the Australian Cyber Security Centre ACSC, and the United Kingdom’s National Cyber Security Centre NCSC-UK have released a joint Cybersecurity Advisory CSA highlighting a global increase in sophisticated, high-impact...

ABB Relion 650 and 670 Series Improper Input Validation (CVE-2019-18247)

An attacker may use a specially crafted message to force Relion 650 series versions 1.3.0.5 and prior or Relion 670 series versions 1.2.3.18, 2.0.0.11, 2.1.0.1 and prior to reboot, which could cause a denial of service. This plugin only works with Tenable.ot. Please visit...

CISA Warns of Critical Vulnerabilities Discovered in Airspan Networks Mimosa

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday published an Industrial Controls Systems Advisory ICSA warning of multiple vulnerabilities in the Airspan Networks Mimosa equipment that could be abused to gain remote code execution, create a denial-of-service DoS...

APT Actors Exploiting CVE-2021-44077 in Zoho ManageEngine ServiceDesk Plus

Summary This joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 9. See the ATT&CK for Enterprise framework for referenced threat actor techniques and for mitigations. This joint advisory is the result of analytic efforts...

APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 8. See the ATT&CK for Enterprise for referenced threat actor tactics and for techniques. This joint advisory is the result of analytic efforts between the...

Ongoing Cyber Threats to U.S. Water and Wastewater Systems Sector Facilities

CISA, the Federal Bureau of Investigation FBI, the Environmental Protection Agency EPA, and the National Security Agency NSA have released a joint Cybersecurity Advisory CSA that details ongoing cyber threats to U.S. Water and Wastewater Systems WWS Sector. This activity—which includes cyber...

New Patch Released for Actively Exploited 0-Day Apache Path Traversal to RCE Attacks

The Apache Software Foundation on Thursday released additional security updates for its HTTP Server product to remediate what it says is an "incomplete fix" for an actively exploited path traversal and remote code execution flaw that it patched earlier this week. CVE-2021-42013, as the new...

Top Routinely Exploited Vulnerabilities

Summary This Joint Cybersecurity Advisory was coauthored by the U.S. Cybersecurity and Infrastructure Security Agency CISA, the Australian Cyber Security Centre ACSC, the United Kingdom’s National Cyber Security Centre NCSC, and the U.S. Federal Bureau of Investigation FBI. This advisory provides...

Chinese State-Sponsored Cyber Operations: Observed TTPs

Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 9, and MITRE D3FEND™ framework, version 0.9.2-BETA-3. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques and the D3FEND framework for referenced...

Dell EMC iDRAC9 Input Validation Error Vulnerability

Dell EMC iDRAC9 is a set of hardware and software system management solutions from Dell DELL. The solution provides remote management, crash system recovery and power control for Dell PowerEdge systems. iDRAC9 versions prior to Dell EMC 4.40.40.00 are vulnerable to an input validation error. A...

CISA Alert: Top Routinely Exploited Vulnerabilities

On July 28, 2021, the U.S. Cybersecurity and Infrastructure Security Agency CISA released a cybersecurity advisory detailing the top 30 publicly known vulnerabilities that have been routinely exploited by cyber threat actors in 2020 and 2021. Organizations are advised to prioritize and apply...

DarkSide Ransomware: Best Practices for Preventing Business Disruption from Ransomware Attacks

Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of...

NSA-CISA-NCSC-FBI Joint Cybersecurity Advisory on Russian GRU Brute Force Campaign

The National Security Agency NSA, Cybersecurity and Infrastructure Security Agency CISA, Federal Bureau of Investigation FBI, and the UK’s National Cyber Security Centre NCSC have released Joint Cybersecurity Advisory CSA: Russian GRU Conducting Global Brute Force Campaign to Compromise Enterpris...

Sophisticated Spearphishing Campaign Targets Government Organizations, IGOs, and NGOs

Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security Agency CISA and the...

Patch now! NSA, CISA, and FBI warn of Russian intelligence exploiting 5 vulnerabilities

The National Security Agency NSA, the Cybersecurity and Infrastructure Security Agency CISA, and the Federal Bureau of Investigation FBI have jointly released a Cybersecurity Advisory called Russian SVR Targets U.S. and Allied Networks, to expose ongoing Russian Foreign Intelligence Service SVR...

NSA-CISA-FBI Joint Advisory on Russian SVR Targeting U.S. and Allied Networks

CISA, the National Security Agency NSA, and the Federal Bureau of Investigation FBI have released a Joint Cybersecurity Advisory CSA on Russian Foreign Intelligence Service SVR actors scanning for and exploiting vulnerabilities to compromise U.S. and allied networks, including national security a...