September 2025 – Page 13 – Learn and Explore

September 8, 2025
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You Didn’t Get Phished — You Onboarded the Attacker

When Attackers Get Hired: Today’s New Identity Crisis What if the star engineer you just hired isn’t actually an employee, but an attacker in disguise? This isn’t phishing; it’s infiltration by onboarding. Meet “Jordan from Colorado,” who has a strong resume, convincing references, a clean background check, even a...

September 6, 2025
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Noisy Bear Targets Kazakhstan Energy Sector With BarrelFire Phishing Campaign

A threat actor possibly of Russian origin has been attributed to a new set of attacks targeting the energy sector in Kazakhstan. The activity, codenamed Operation BarrelFire, is tied to a new threat group tracked by Seqrite Labs as Noisy Bear. The threat actor has been active since at...

September 6, 2025
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Malicious npm Packages Impersonate Flashbots, Steal Ethereum Wallet Keys

A new set of four malicious packages have been discovered in the npm package registry with capabilities to steal cryptocurrency wallet credentials from Ethereum developers. “The packages masquerade as legitimate cryptographic utilities and Flashbots MEV infrastructure while secretly exfiltrating private keys and mnemonic seeds to a Telegram bot controlled...

September 5, 2025
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CISA Orders Immediate Patch of Critical Sitecore Vulnerability Under Active Exploitation

Federal Civilian Executive Branch (FCEB) agencies are being advised to update their Sitecore instances by September 25, 2025, following the discovery of a security flaw that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2025-53690, carries a CVSS score of 9.0 out of a maximum...

September 5, 2025
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TAG-150 Develops CastleRAT in Python and C, Expanding CastleLoader Malware Operations

The threat actor behind the malware-as-a-service (MaaS) framework and loader called CastleLoader has also developed a remote access trojan known as CastleRAT. “Available in both Python and C variants, CastleRAT’s core functionality consists of collecting system information, downloading and executing additional payloads, and executing commands via CMD and PowerShell,”...

September 5, 2025
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SAP S/4HANA Critical Vulnerability CVE-2025-42957 Exploited in the Wild

A critical security vulnerability impacting SAP S/4HANA, an Enterprise Resource Planning (ERP) software, has come under active exploitation in the wild. The command injection vulnerability, tracked as CVE-2025-42957 (CVSS score: 9.9), was fixed by SAP as part of its monthly updates last month. “SAP S/4HANA allows an attacker with...

September 5, 2025
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Automation Is Redefining Pentest Delivery

Pentesting remains one of the most effective ways to identify real-world security weaknesses before adversaries do. But as the threat landscape has evolved, the way we deliver pentest results hasn’t kept pace. Most organizations still rely on traditional reporting methods—static PDFs, emailed documents, and spreadsheet-based tracking. The problem? These...

September 5, 2025
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VirusTotal Finds 44 Undetected SVG Files Used to Deploy Base64-Encoded Phishing Pages

Cybersecurity researchers have flagged a new malware campaign that has leveraged Scalable Vector Graphics (SVG) files as part of phishing attacks impersonating the Colombian judicial system. The SVG files, according to VirusTotal, are distributed via email and designed to execute an embedded JavaScript payload, which then decodes and injects...

September 4, 2025
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GhostRedirector Hacks 65 Windows Servers Using Rungan Backdoor and Gamshen IIS Module

Cybersecurity researchers have lifted the lid on a previously undocumented threat cluster dubbed GhostRedirector that has managed to compromise at least 65 Windows servers primarily located in Brazil, Thailand, and Vietnam. The attacks, per Slovak cybersecurity company ESET, led to the deployment of a passive C++ backdoor called Rungan...

September 4, 2025
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Russian APT28 Deploys “NotDoor” Outlook Backdoor Against Companies in NATO Countries

The Russian state-sponsored hacking group tracked as APT28 has been attributed to a new Microsoft Outlook backdoor called NotDoor in attacks targeting multiple companies from different sectors in NATO member countries. NotDoor “is a VBA macro for Outlook designed to monitor incoming emails for a specific trigger word,” S2...