marcfred

Analysis of the Compromise of Ivanti Endpoint Manager Mobile Systems (EPMM) – CISA MAR AR25-261A

Executive Summary On September 18, 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a detailed Malware Analysis Report (AR25-261A) regarding a cyber intrusion targeting Ivanti Endpoint Manager Mobile (EPMM) systems. In this incident, cyber threat actors exploited two critical vulnerabilities (identified as CVE-2025-4427 and CVE-2025-4428) to bypass authentication in the Ivanti EPMM product…

FBI Alert: Malicious Activities by UNC6040 and UNC6395 Targeting Salesforce

On September 12, 2025, the Federal Bureau of Investigation (FBI) issued a FLASH alert detailing the operations of two cybercriminal groups, UNC6040 and UNC6395, which are targeting Salesforce instances to exfiltrate data and extort organizations. This alert, intended for cybersecurity professionals (CERTs, SOC analysts, CISOs), outlines the initial access vectors, data exfiltration techniques, authentication bypass…

Microsoft September 2025 Patch Tuesday

On September 9, 2025, Microsoft released security updates addressing over 80 vulnerabilities across Windows operating systems and related software (81 vulnerabilities were patched on this date). Notably, there were no actively exploited “zero-day” vulnerabilities in this month’s update bundle. However, two publicly disclosed vulnerabilities (zero-days) were fixed, meaning they were known to attackers or researchers…

APT-C-53 (Gamaredon): Attack Campaign Targeting Ukrainian Government Entities

Executive Summary The Russian state-sponsored threat group APT-C-53 (Gamaredon), active since 2013, continues its espionage operations against Ukrainian governmental and military institutions. In 2025, its campaigns have evolved to include dynamic migration of command-and-control (C2) infrastructures to legitimate cloud services (Microsoft Dev Tunnels, Cloudflare Workers) and the use of advanced obfuscation techniques to bypass detection.…

Salesloft Breach: More Than 700 Companies Impacted by the Attack

A recent supply-chain attack targeting Salesloft – the provider of a popular AI chatbot integrated with Salesforce – has compromised data from hundreds of companies. Tracked by Google as threat group UNC6395, the attackers stole OAuth access tokens for Salesloft’s Drift chatbot integration and used them between August 8 and August 18, 2025 to illicitly…

CVE-2025-7775 – Memory Overflow Vulnerability in Citrix NetScaler

Executive SummaryFollowing the actively exploited vulnerability in Citrix NetScaler (CVE-2025-7775), this summary provides an overview of the technical details and the associated risks. The flaw, a critical memory overflow, has been added by CISA to its Known Exploited Vulnerabilities (KEV) catalog due to confirmed in-the-wild exploitation. It allows unauthenticated remote code execution on vulnerable appliances,…

APT29 — Factual Brief

I use the label “APT29,” also known as Cozy Bear, The Dukes, NOBELIUM, and—under Microsoft’s taxonomy—Midnight Blizzard. Public reporting predominantly attributes this actor to Russia’s Foreign Intelligence Service (SVR), and the multiple aliases reflect vendor naming schemes. Objectives and targeting I observe a primary espionage focus on governments, diplomatic missions, think tanks, IT/Cloud providers, and…

Secret Messengers (NSA/GCHQ, 2025)

I had long wanted to examine the intelligence employed during the Second World War. Drawing on the training I received at the École de Guerre Économique (EGE), I present here a neutral, factual synthesis, accompanied by full references as well as the original document that served as my source. This article synthesizes the report Secret…