Table of Contents
June 24, 2026 | Read Online
Zero-day exploits, AI analysis evasion, Microsoft Teams phishing, and more…
Executive Summary
The cybersecurity landscape continues to evolve with malicious actors adapting to disruptions. Recent events highlight the importance of proactive security measures. A zero-day vulnerability in Cisco Catalyst SD-WAN Manager has been exploited, while attackers use forbidden text in spyware to evade AI analysis. Meanwhile, Microsoft Teams-themed phishing campaigns are on the rise, and critical vulnerabilities in Lantronix EDS5000 devices are being actively exploited.
Top Articles
Zero-Day Exploitation of Vulnerability (CVE-2026-20245) in Cisco Catalyst SD-WAN Manager Google Threat Intelligence Group reveals details on how hackers exploited a zero-day vulnerability in Cisco Catalyst SD-WAN to gain root access. The vulnerability stems from the device’s file upload feature lacking proper filtering. Google Cloud Blog
Embedding Forbidden Text in Spyware to Discourage AI Analysis Malware developers are adding text about nuclear and biological weapons to their spyware, attempting to stop automatic AI analysis. This tactic highlights the need for more sophisticated security measures. Schneier
From Prompt Testing to AI Red Teaming at Enterprise Scale AI red teaming is becoming increasingly important for enterprises, with its accessibility and potential for breaking chatbots. However, it’s not enough for enterprise-scale security; more comprehensive measures are required. Checkpoint Blog
AI Has Moved From Assistance to Action. Is Your Security Model Ready? As AI adoption shifts from assistance to action, enterprises must adapt their security models to address the new challenges posed by AI-driven workflows and data handling. Checkpoint Blog
Hackers Use Microsoft Teams-Themed Lures to Deploy Legitimate Remote Access Software An active phishing campaign is using Microsoft Teams-themed lures to trick victims into downloading a legitimate remote access tool, preconfigured for unauthorized access. GB Hackers
ModeloRAT and Mistic Backdoor Activity Linked to Ransomware Initial Access Broker The Python-based remote access trojan ModeloRAT and the stealth backdoor Mistic are linked to activity consistent with an initial access broker operation that facilitates ransomware deployments. GB Hackers
CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warns of active exploitation of a critical security flaw impacting Lantronix EDS5000 Series devices, urging Federal Civilian Executive Branch agencies to apply fixes by June 26. The Hacker News
Microsoft Teams Phishing Lures Push Victims Toward Remote Access Tool Installation Cybercriminals are running a sophisticated phishing campaign using Microsoft Teams lures to trick victims into installing a remote access tool, granting unauthorized access. cyberpress.org
Critical Laravel Livewire RCE Flaw Exploited to Steal Credentials From 6,000+ Apps A large-scale credential theft campaign exploiting a critical remote code execution vulnerability in Laravel Livewire has compromised over 6,167 applications worldwide. cyberpress.org
Amadey and StealC Malware Network Disrupted, 27M Stolen Credentials Recovered A coordinated law enforcement operation has resulted in the takedown of criminal infrastructure powering Amadey and StealC, recovering millions of stolen credentials. The Hacker News
Mandiant reveals how Cisco SD-WAN zero-day attacks gained root access New details have been revealed on how hackers exploited a Cisco Catalyst SD-WAN vulnerability to create rogue root accounts on targeted devices. Bleeping Computer
AI Transparency: This newsletter uses AI to curate, rank, and summarize cybersecurity content from leading industry blogs. All articles link directly to original authors. Executive summaries are AI-generated based on article content. I curate the sources and deliver the digest—the original authors deserve the credit for their excellent work.