The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added three security flaws to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation in the wild. The vulnerabilities are as follows – CVE-2023-36584 (CVSS score: 5.4) – Microsoft Windows…
Tag: The Hacker News
Zero-Day Flaw in Zimbra Email Software Exploited by Four Hacker Groups
A zero-day flaw in the Zimbra Collaboration email software was exploited by four different groups in real-world attacks to pilfer email data, user credentials, and authentication tokens. “Most of this activity occurred after the initial fix became public on GitHub,”…
Experts Uncover DarkCasino: New Emerging APT Threat Exploiting WinRAR Flaw
A hacking group that leveraged a recently disclosed security flaw in the WinRAR software as a zero-day has now been categorized as an entirely new advanced persistent threat (APT). Cybersecurity company NSFOCUS has described DarkCasino as an “economically motivated” actor that first…
CISA and FBI Issue Warning About Rhysida Ransomware Double Extortion Attacks
The threat actors behind the Rhysida ransomware engage in opportunistic attacks targeting organizations spanning various industry sectors. The advisory comes courtesy of the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Multi-State Information Sharing and…
Hackers Could Exploit Google Workspace and Cloud Platform for Ransomware Attacks
A set of novel attack methods has been demonstrated against Google Workspace and the Google Cloud Platform that could be potentially leveraged by threat actors to conduct ransomware, data exfiltration, and password recovery attacks. “Starting from a single compromised machine,…
How to Automate the Hardest Parts of Employee Offboarding
According to recent research on employee offboarding, 70% of IT professionals say they’ve experienced the negative effects of incomplete IT offboarding, whether in the form of a security incident tied to an account that wasn’t deprovisioned, a surprise bill for resources…
Russian Hackers Linked to ‘Largest Ever Cyber Attack’ on Danish Critical Infrastructure
Russian threat actors have been possibly linked to what’s been described as the “largest cyber attack against Danish critical infrastructure,” in which 22 companies associated with the operation of the country’s energy sector were targeted in May 2023. “22 simultaneous,…
Russian Hackers Launch ‘Largest Ever Cyber Attack’ on Danish Critical Infrastructure
Russian threat actors have been possibly linked to what’s been described as the “largest cyber attack against Danish critical infrastructure,” in which 22 companies associated with the operation of the country’s energy sector were targeted in May 2023. “22 simultaneous,…
U.S. Takes Down IPStorm Botnet, Russian-Moldovan Mastermind Pleads Guilty
The U.S. government on Tuesday announced the takedown of the IPStorm botnet proxy network and its infrastructure, as the Russian and Moldovan national behind the operation pleaded guilty. “The botnet infrastructure had infected Windows systems then further expanded to infect…
New PoC Exploit for Apache ActiveMQ Flaw Could Let Attackers Fly Under the Radar
Cybersecurity researchers have demonstrated a new technique that exploits a critical security flaw in Apache ActiveMQ to achieve arbitrary code execution in memory. Tracked as CVE-2023-46604 (CVSS score: 10.0), the vulnerability is a remote code execution bug that could permit a threat…
Three Ways Varonis Helps You Fight Insider Threats
What do basketball teams, government agencies, and car manufacturers have in common? Each one has been breached, having confidential, proprietary, or private information stolen and exposed by insiders. In each case, the motivations and methods varied, but the risk remained…
Reptar: New Intel CPU Vulnerability Impacts Multi-Tenant Virtualized Environments
Intel has released fixes to close out a high-severity flaw codenamed Reptar that impacts its desktop, mobile, and server CPUs. Tracked as CVE-2023-23583 (CVSS score: 8.8), the issue has the potential to “allow escalation of privilege and/or information disclosure and/or denial of service via local access.”…
Alert: Microsoft Releases Patch Updates for 5 New Zero-Day Vulnerabilities
Microsoft has released fixes to address 63 security bugs in its software for the month of November 2023, including three vulnerabilities that have come under active exploitation in the wild. Of the 63 flaws, three are rated Critical, 56 are rated Important,…
Urgent: VMware Warns of Unpatched Critical Cloud Director Vulnerability
VMware is warning of a critical and unpatched security flaw in Cloud Director that could be exploited by a malicious actor to get around authentication protections. Tracked as CVE-2023-34060 (CVSS score: 9.8), the vulnerability impacts instances that have been upgraded to version…
CacheWarp Attack: New Vulnerability in AMD SEV Exposes Encrypted VMs
A group of academics has disclosed a new “software fault attack” on AMD’s Secure Encrypted Virtualization (SEV) technology that could be potentially exploited by threat actors to infiltrate encrypted virtual machines (VMs) and even perform privilege escalation. The attack has…
Alert: OracleIV DDoS Botnet Targets Public Docker Engine APIs to Hijack Containers
Publicly-accessible Docker Engine API instances are being targeted by threat actors as part of a campaign designed to co-opt the machines into a distributed denial-of-service (DDoS) botnet dubbed OracleIV. “Attackers are exploiting this misconfiguration to deliver a malicious Docker container, built…
The Importance of Continuous Security Monitoring for a Robust Cybersecurity Strategy
In 2023, the global average cost of a data breach reached $4.45 million. Beyond the immediate financial loss, there are long-term consequences like diminished customer trust, weakened brand value, and derailed business operations. In a world where the frequency and cost…
CI/CD Risks: Protecting Your Software Development Pipelines
Have you heard about Dependabot? If not, just ask any developer around you, and they’ll likely rave about how it has revolutionized the tedious task of checking and updating outdated dependencies in software projects. Dependabot not only takes care of…
New Campaign Targets Middle East Governments with IronWind Malware
Government entities in the Middle East are the target of new phishing campaigns that are designed to deliver a new initial access downloader dubbed IronWind. The activity, detected between July and October 2023, has been attributed by Proofpoint to a threat actor…
Vietnamese Hackers Using New Delphi-Powered Malware to Target Indian Marketers
The Vietnamese threat actors behind the Ducktail stealer malware have been linked to a new campaign that ran between March and early October 2023, targeting marketing professionals in India with an aim to hijack Facebook business accounts. “An important feature…