Cleo Multiple File Transfer Vulnerabilities
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Microsoft Detects “SesameOp” Backdoor Using OpenAI’s API as a Stealth Command Channel
Microsoft has disclosed details of a novel backdoor dubbed SesameOp that uses OpenAI Assistants Application Programming Interface (API) for command-and-control (C2) communications. “Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as a way to stealthily communicate and orchestrate malicious activities within the compromised
Senator Wyden Urges FTC to Probe Microsoft for Ransomware-Linked Cybersecurity Negligence
U.S. Senator Ron Wyden has called on the Federal Trade Commission (FTC) to probe Microsoft and hold it responsible for what he called “gross cybersecurity negligence” that enabled ransomware attacks on U.S. critical infrastructure, including against healthcare networks. “Without timely action, Microsoft’s culture of negligent cybersecurity, combined with its de facto monopolization of the
New HttpTroy Backdoor Poses as VPN Invoice in Targeted Cyberattack on South Korea
The North Korea-linked threat actor known as Kimsuky has distributed a previously undocumented backdoor codenamed HttpTroy as part of a likely spear-phishing attack targeting a single victim in South Korea. Gen Digital, which disclosed details of the activity, did not reveal any details on when the incident occurred, but noted that the phishing email contained…
Researchers Find ChatGPT Vulnerabilities That Let Attackers Trick AI Into Leaking Data
Cybersecurity researchers have disclosed a new set of vulnerabilities impacting OpenAI’s ChatGPT artificial intelligence (AI) chatbot that could be exploited by an attacker to steal personal information from users’ memories and chat histories without their knowledge. The seven vulnerabilities and attack techniques, according to Tenable, were found in OpenAI’s GPT-4o and GPT-5 models. OpenAI has
Without Federal Help, Cyber Defense Is Up to the Rest of Us
Together, we can foster a culture of collaboration and vigilance, ensuring that we are not just waiting for a hero to save us, but actively working to protect ourselves and our communities.
Critical Lanscope Endpoint Manager Bug Exploited in Ongoing Cyberattacks, CISA Confirms
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical security flaw impacting Motex Lanscope Endpoint Manager to its Known Exploited Vulnerabilities (KEV) catalog, stating it has been actively exploited in the wild. The vulnerability, CVE-2025-61932 (CVSS v4 score: 9.3), impacts on-premises versions of Lanscope Endpoint Manager, specifically Client