Cyber Defense Advisors

Year: 2025

RansomHub Went Dark April 1; Affiliates Fled to Qilin, DragonForce Claimed Control

Cybersecurity researchers have revealed that RansomHub’s online infrastructure has “inexplicably” gone offline as of April 1, 2025, prompting concerns among affiliates of the ransomware-as-a-service (RaaS) operation. Singaporean cybersecurity company Group-IB said that this may have caused affiliates to migrate to Qilin, given that “disclosures on its DLS [data leak site] have doubled since 

Cyber News

Meta Launches LlamaFirewall Framework to Stop AI Jailbreaks, Injections, and Insecure Code

Meta on Tuesday announced LlamaFirewall, an open-source framework designed to secure artificial intelligence (AI) systems against emerging cyber risks such as prompt injection, jailbreaks, and insecure code, among others. The framework, the company said, incorporates three guardrails, including PromptGuard 2, Agent Alignment Checks, and CodeShield. PromptGuard 2 is designed to detect direct 

Cyber News

Indian Court Orders Action to Block Proton Mail Over AI Deepfake Abuse Allegations

A high court in the Indian state of Karnataka has ordered the blocking of end-to-end encrypted email provider Proton Mail across the country. The High Court of Karnataka, on April 29, said the ruling was in response to a legal complaint filed by M Moser Design Associated India Pvt Ltd in January 2025. The complaint […]

Cyber News

WhatsApp Launches Private Processing to Enable AI Features While Protecting Message Privacy

Popular messaging app WhatsApp on Tuesday unveiled a new technology called Private Processing to enable artificial intelligence (AI) capabilities in a privacy-preserving manner. “Private Processing will allow users to leverage powerful optional AI features – like summarizing unread messages or editing help – while preserving WhatsApp’s core privacy promise,” the Meta-owned service said in a 

Cyber News

New Reports Uncover Jailbreaks, Unsafe Code, and Data Theft Risks in Leading AI Systems

Various generative artificial intelligence (GenAI) services have been found vulnerable to two types of jailbreak attacks that make it possible to produce illicit or dangerous content. The first of the two techniques, codenamed Inception, instructs an AI tool to imagine a fictitious scenario, which can then be adapted into a second scenario within the first […]

Cyber News

The AI Fix #48: AI Jesus, and is the AI Singularity almost upon us?

In episode 48 of The AI Fix, OpenAI releases the first AI models capable of novel scientific discoveries, ChatGPT users are sick of its relentlessly positive tone, our hosts say “Alexa” a lot, OpenAI eyes a social network of its own, and some robots run a half-marathon. Graham discovers AI Jesus and a great offer […]

Cyber News

SentinelOne Uncovers Chinese Espionage Campaign Targeting Its Infrastructure and Clients

Cybersecurity company SentinelOne has revealed that a China-nexus threat cluster dubbed PurpleHaze conducted reconnaissance attempts against its infrastructure and some of its high-value customers. “We first became aware of this threat cluster during a 2024 intrusion conducted against an organization previously providing hardware logistics services for SentinelOne employees,” security 

Cyber News

Applying Security Engineering to Prompt Injection Security

This seems like an important advance in LLM security against prompt injection: Google DeepMind has unveiled CaMeL (CApabilities for MachinE Learning), a new approach to stopping prompt-injection attacks that abandons the failed strategy of having AI models police themselves. Instead, CaMeL treats language models as fundamentally untrusted components within a secure software framework, creating clear […]

Cyber News

Product Walkthrough: Securing Microsoft Copilot with Reco

Find out how Reco keeps Microsoft 365 Copilot safe by spotting risky prompts, protecting data, managing user access, and identifying threats – all while keeping productivity high. Microsoft 365 Copilot promises to boost productivity by turning natural language prompts into actions. Employees can generate reports, comb through data, or get instant answers just by asking […]

Cyber News