Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

On September 25, 2025, Cisco released fixes for two vulnerabilities in Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) that are currently being actively exploited by a sophisticated threat actor. The US Cybersecurity and Infrastructure Security Agency (CISA) issued Emergency Directive 25-03 requiring Federal Civilian Executive Branch (FCEB) agencies to patch these vulnerabilities by 12 PM EDT on September 26.

Carding is a type of cybercrime where attackers steal or illegally buy credit card information and use it to make unauthorized transactions. It often involves testing stolen card numbers with small purchases before making larger fraudulent charges. Criminals typically exchange or sell these stolen details on underground forums or dark web marketplaces. Outpost24’s Threat Intelligence team, KrakenLabs, carried out a previous public analysis of the underground card fraud ecosystem in 2022.

Details from Tanium’s Guardian research team about CVE-2025-20333, CVE-2025-20362, and CVE-2025-20363—and emerging malware campaigns RAYINITIATOR & LINE VIPER.

On September 25, 2025, the npm package postmark-mcp, an MCP (Model Context Protocol) server intended to let AI assistants send emails via Postmark, was reportedly modified to secretly exfiltrate email contents by adding a blind-copy (BCC) to an external domain. Current analysis suggests the behavior began around 1.0.16 and persisted in later versions.

Olymp Loader is a Malware-as-a-Service (MaaS) advertised on underground forums and Telegram since June 5, 2025. The seller, “OLYMPO”, presents Olymp Loader as fully written in assembly language and frequently markets it as FUD (Fully UnDetectable). Despite its recent appearance, many underground forum users have already posted positive reviews.

Every year, mobile devices become more powerful, more innovative, and more complex. That’s good news for diligent workers who want to stay connected and productive. Unfortunately, it’s also good news for threat actors who want to steal sensitive data. Zero-day vulnerabilities in mobile applications and operating systems (OSs) are becoming more common over time.

Philadelphia, PA, 23rd September – Outpost24, a leading provider of exposure management solutions, today announced the launch of new pen test reporting, giving customers a consolidated view of all penetration testing results within a single platform. This eliminates the need to manage multiple reports from different sources, saving time and improving operational efficiency. Security teams can now view, schedule, and download reports directly, with actionable insights from certified pen testers.

As businesses strive to secure sensitive cardholder data and stay compliant with Payment Card Industry Data Security Standard (PCI DSS) v4.0.1, one of the most overlooked areas is developer training. The latest version of the PCI DSS places clear emphasis on ensuring developers are not only residually aware of security best practices, but are actively trained to build secure software and detect vulnerabilities. This is where Snyk Learn comes in.