Search Results

The default setting for search results displays All Content. If you prefer to see recent content only, please adjust the date filter.

210 Results Found

Public

TLP Clear Cybersecurity Advisory: North Korean Actors Exploit Weak DMARC Security Policies to Mask Spearphishing Efforts

North Korea’s cyber program provides the regime with broad intelligence collection and espionage capabilities.
Public

Joint Cybersecurity Advisory: #Stopransomware: Akira Ransomware

This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.
Public

TLP Clear Joint Cybersecurity Information - Deploying AI Systems Securely

This report expands upon the ‘secure deployment’ and ‘secure operation and maintenance’ sections of the Guidelines for secure AI system development and incorporates mitigation considerations from Engaging with Artificial Intelligence (AI).

HC3 TLP Clear Analyst Note: Social Engineering Attacks Targeting IT Help Desks in the Health Sector

This report provides high-level insight into the top ten ransomware groups HC3 has seen targeting the healthcare sector.
Public

HC3 TLP Clear Analyst Note: HC3’s Top 10 Most Active Ransomware Groups

This report provides high-level insight into the top ten ransomware groups HC3 has seen targeting the healthcare sector.
Public

TLP Clear: PRC State-Sponsored Cyber Activity: Actions For Critical Infrastructure Leaders

This fact sheet provides an overview for executive leaders on the urgent risk posed by People’s Republic of China (PRC) state-sponsored cyber actors known as “Volt Typhoon.”
Public

HC3 TLP Clear- Sector Alert: Defense and Mitigations from E-mail Bombing – March 12, 2024

E-mail bombing, also known as mail bomb or letter bomb attacks, occur when a botnet (a single actor or group of actors) flood an e-mail address or server with hundreds to thousands of e-mail messages. T
Public

Federal Bureau of Investigation Internet Crime Report 2023

Today’s cyber landscape is threatened by a multitude of malicious actors who have the tools to conduct large-scale fraud schemes, hold our money and data for ransom, and endanger our national security.
Public

HC3 TLP Clear: Sector Alert Identifying and Mitigating Threats from Fraudulent Websites in HPH Sector

This threat briefing examines different examples of fake websites, ways to identify and how to report them, and recommendations for how to avoid becoming an accidental victim.