Cyber Defense Advisors

Cyber News

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  • August 20, 2024

CISA Warns of Critical Jenkins Vulnerability Exploited in Ransomware Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security flaw impacting Jenkins to its Known Exploited Vulnerabilities (KEV) catalog, following its exploitation in ransomware attacks. The vulnerability, tracked as CVE-2024-23897 (CVSS score: 9.8), is a path traversal flaw that could lead to code execution. “Jenkins Command Line Interface (CLI) contains a […]

Cyber News
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  • August 19, 2024

National Public Data Published Its Own Passwords

New details are emerging about a breach at National Public Data (NPD), a consumer data broker that recently spilled hundreds of millions of Americans’ Social Security Numbers, addresses, and phone numbers online. KrebsOnSecurity has learned that another NPD data broker which shares access to the same consumer records inadvertently published the passwords to its back-end […]

Cyber News
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  • August 19, 2024

New UULoader Malware Distributes Gh0st RAT and Mimikatz in East Asia

A new type of malware called UULoader is being used by threat actors to deliver next-stage payloads like Gh0st RAT and Mimikatz. The Cyberint Research Team, which discovered the malware, said it’s distributed in the form of malicious installers for legitimate applications targeting Korean and Chinese speakers. There is evidence pointing to UULoader being the […]

Cyber News
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  • August 19, 2024

Cybercriminals Exploit Popular Software Searches to Spread FakeBat Malware

Cybersecurity researchers have uncovered a surge in malware infections stemming from malvertising campaigns distributing a loader called FakeBat. “These attacks are opportunistic in nature, targeting users seeking popular business software,” the Mandiant Managed Defense team said in a technical report. “The infection utilizes a trojanized MSIX installer, which executes a PowerShell script to download a […]

Cyber News
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  • August 19, 2024

The State of Ransomware

Palo Alto Networks published its semi-annual report on ransomware. From the Executive Summary: Unit 42 monitors ransomware and extortion leak sites closely to keep tabs on threat activity. We reviewed compromise announcements from 53 dedicated leak sites in the first half of 2024 and found 1,762 new posts. This averages to approximately 294 posts a […]

Cyber News
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  • August 19, 2024

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 that aren’t in use anymore, or a missed handoff of a critical resource or […]

Cyber News
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  • August 19, 2024

Xeon Sender Tool Exploits Cloud APIs for Large-Scale SMS Phishing Attacks

Malicious actors are using a cloud attack tool named Xeon Sender to conduct SMS phishing and spam campaigns on a large scale by abusing legitimate services. “Attackers can use Xeon to send messages through multiple software-as-a-service (SaaS) providers using valid credentials for the service providers,” SentinelOne security researcher Alex Delamotte said in a report shared […]

Cyber News
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  • August 19, 2024

Microsoft Patches Zero-Day Flaw Exploited by North Korea’s Lazarus Group

A newly patched security flaw in Microsoft Windows was exploited as a zero-day by Lazarus Group, a prolific state-sponsored actor affiliated with North Korea. The security vulnerability, tracked as CVE-2024-38193 (CVSS score: 7.8), has been described as a privilege escalation bug in the Windows Ancillary Function Driver (AFD.sys) for WinSock. “An attacker who successfully exploited […]

Cyber News
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  • August 19, 2024

Researchers Uncover New Infrastructure Tied to FIN7 Cybercrime Group

Cybersecurity researchers have discovered new infrastructure linked to a financially motivated threat actor known as FIN7. The two clusters of potential FIN7 activity “indicate communications inbound to FIN7 infrastructure from IP addresses assigned to Post Ltd (Russia) and SmartApe (Estonia), respectively,” Team Cymru said in a report published this week as part of a joint […]

Cyber News