We all know that maintaining up-to-date systems is crucial. Patch management plays a vital role in this process. This article serves as a hub for various patch management templates, each designed to streamline and enhance the efficiency of your patch…
Category: Heimdal Security Blog
How to Create an End-to-End Privileged Access Management Lifecycle
Key takeaways: Why privileged access management requires a continuous approach; The common pitfalls of poor privileged access management; How to create an effective, end-to-end privileged access management lifecycle. Privileged access management (PAM) is an essential tool of any modern cybersecurity…
A Heimdal MXDR Expert on Incident Response Best Practices and Myth Busting
I got to talk to Dragoș Roșioru, a seasoned MXDR expert, about incident response best practices and challenges. Get an in-depth understanding of the do’s and don’ts in incident response as Dragoș explains how to avoid the most common mistakes…
Widespread Vulnerability in SSH Servers: The Terrapin Attack Threat
The Terrapin attack, a newly identified security threat, jeopardizes nearly 11 million SSH servers that are accessible online. Originating from academic research at Ruhr University Bochum in Germany, this attack specifically targets the SSH protocol, affecting both clients and servers.…
Major Data Breach at HealthEC Affects Millions
HealthEC LLC, a leading provider in health management solutions, experienced a significant data breach, impacting approximately 4.5 million individuals. This incident affected patients who received care through one of HealthEC’s client organizations. The company’s population health management platform, used by…
Black Basta Buster Utilizes Ransomware Flaw to Recover Files
Security research and consulting firm SRLabs exploited a vulnerability in the encryption algorithm of a specific strain of Black Basta ransomware to develop and release a decryptor tool named Black Basta Buster. This tool, released in response to the activities…
Massive Fallon Ambulance Data Breach Impacts Nearly One Million People
Transformative Healthcare announces Fallon Ambulance data breach exposed sensitive information of 911,757 customers. Fallon ceased operations in December 2022 but is still responsible for a data storage archive that hackers targeted with ransomware. The ALPHV threat group a.k.a. BlackCat, claimed…
Data Breach Impacts LoanCare Customers
Over 1.3 million customers across the U.S. are being alerted by mortgage servicing company LoanCare that a data breach at its parent company, Fidelity National Financial, may have compromised their private information. With 1.2 million loans and $390 billion in…
Lockbit Ransomware Attack Affects Three German Hospitals
Katholische Hospitalvereinigung Ostwestfalen (KHO), a German hospital network, has confirmed that a cyberattack launched by the Lockbit ransomware group is the cause of recent service disruptions at three hospitals in its network. The attack occurred in the early morning of…
Comcast’s Xfinity Breached: Data of 36 Million Users Exposed
Citrix bugs caused a lot of problems throughout the year, and as we’re closing down 2023, it seems it’s not over. This time, Xfinity, Comcast’s cable television and internet division has been the victim of a data breach caused by…
Major Data Breach at ESO Solutions Affects 2.7 Million Patients
ESO Solutions, a key software provider for healthcare and emergency services, was the victim of a ransomware attack. This cyberattack led to unauthorized data access and encryption of various company systems. The breach, initially identified on September 28th, marked the…
NSA Releases 2023 Cybersecurity Year in Review Report
The National Security Agency (NSA) has unveiled its ‘2023 Cybersecurity Year in Review’. This document highlights the agency’s achievements in enhancing national security through cybersecurity. It emphasizes the value of NSA’s collaborations with U.S. government agencies, international allies, and the…
The Four Layers of Antivirus Security: A Comprehensive Overview
The antivirus software stands as a critical defense line against cyber-attacks. To fully understand how it operates, it’s vital to understand the four distinct layers of antivirus security. Each layer contributes to the detection and neutralization of threats, ensuring a…
FBI Disrupts BlackCat Ransomware Threat Group Activity – The Essential Facts
The U.S. Justice Department (DoJ) announced on December 19th that the Federal Bureau of Investigations had disrupted the BlackCat ransomware threat group’s activity. The FBI offered a decryption tool to more than 500 affected victims. They also encourage potentially unknown…
What is the EPSS score? How to Use It in Vulnerability Prioritization
The Exploit Prediction Scoring System (EPSS) is a data-driven tool highlighting what vulnerabilities hackers will likely exploit. EPSS was created by a group of experts at the Forum of Incident Response and Security Teams (FIRST). Its purpose is to make…
How to Complete an IT Risk Assessment (2023)
In a perfect world, you’d have the resources to defend yourself against every possible cybersecurity threat and vulnerability. The reality, however, is that even the largest organizations have limited resources to dedicate to cybersecurity. An effective security strategy, therefore, needs…
Unveiling the Dynamics of Cybersecurity- A Heimdal® Report
The purpose of Heimdal®’s exercise is to analyze the complex dynamics between endpoint-based attacks, code-based vulnerabilities, and cyberattacks that leverage DNS in an attempt to establish a baseline for detection and response framework. To this end, we have analyzed two…
New JaskaGO Malware Stealer Threatens Windows and MacOS Operating Systems
Security researchers discovered a new JaskaGO malware stealer that can infect both Windows and macOS. JaskaGO uses various methods to persist in the infected system. Researchers observed various malware versions impersonating installers for legitimate software like CapCut video editor, AnyConnect,…
LockBit Ransomware Targets German Energy Agency Dena
Dena, the reputed German Energy Agency, is said to have fallen victim to the notorious LockBit ransomware group. The Dena cyberattack was revealed through a post on the threat actor’s dark web platform, where they disclose data breach incidents and…
Lazarus Hackers Exploit 2-Year-Old Log4j Vulnerability to Deploy New RAT Malware
Researchers warn Lazarus threat actors still exploit known Log4j vulnerability to infect devices with new DLang malware strains. The new campaign, dubbed Operation Blacksmith, became active on March 23. Hackers target manufacturing, agricultural, and physical security companies that failed to…