Latest cybersecurity reporting from selected sources.

The new classifier in Fable 5 blocks the jailbreak technique that prompted the US export controls “in over 99% of cases”

Anthropic is putting Claude Fable 5 back online worldwide. On June 30, the U.S. Commerce Department lifted the export controls it had imposed on Fable and its more tightly controlled sibling Mythos 5 about two and a half weeks earlier

Dozens of practitioners said the decision to place export controls on the foreign use of Fable are misguided, and recent jailbreak reports don’t show the model providing unique hacking capabilities. The post Cybersecurity experts don’t think Anthropic’s Fable 5 presents a unique threat  appeared first on CyberScoop.

The US government has ordered Anthropic to block all foreign nationals from accessing Fable 5 and Mythos 5, forcing the company to suspend both models worldwide. Anthropic is complying but disputes the basis, calling the cited jailbreak narrow and the capability widely available elsewhere. [...]

Cisco: One Prompt May Not Break Most AI Models, But a Conversation WillCisco tested eight major open-weight artificial intelligence models and found multi-turn jailbreak attacks succeeded nearly 93% of the time, exposing a blind spot in how enterprises assess and deploy large language models safety.

If an attacker splits a malicious prompt into discrete chunks, some large language models (LLMs) will get lost in the details and miss the true intent.

Cybercriminals are increasingly using AI to lower the barrier to entry for fraud and hacking, shifting from skill-based to AI-assisted attacks known as "vibe hacking." Flare examines how underground forums promote AI tools, jailbreak techniques, and so-called "Hacking-GPT" services that promise ease rather than technical mastery. [...]

When prompts were presented in poetic rather than prose form, attack success rates increased from 8% to 43%, on average — a fivefold increase.

Experts Say AI Model Makers Are Prioritizing Profit Over SecurityHackers don't need the deep pockets of a nation-state to break GPT-5, OpenAI's new flagship model. Analysis from artificial intelligence security researchers finds a few well-placed hyphens are enough to convince the large language model into breaking safeguards against adversarial prompts.

Cybersecurity researchers have uncovered a jailbreak technique to bypass ethical guardrails erected by OpenAI in its latest large language model (LLM) GPT-5 and produce illicit instructions

Researcher Details Stealthy Multi-Turn Prompt Exploit Bypassing AI SafetyWell-timed nudges are enough to derail a large language model and use it for nefarious purposes, researchers have found. Dubbed "Echo Chamber," the exploit uses a chain of subtle prompts to bypass existing safety guardrails by manipulating the model's emotional tone and contextual assumptions.

Cybersecurity researchers are calling attention to a new jailbreaking method called Echo Chamber that could be leveraged to trick popular large language models (LLMs) into generating undesirable responses, irrespective of the safeguards put in place

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

Lovable, a generative artificial intelligence (AI) powered platform that allows for creating full-stack web applications using text-based prompts, has been found to be the most susceptible to jailbreak attacks, allowing novice and aspiring cybercrooks to set up lookalike credential harvesting pages

Researchers Manipulate o1, o3, Gemini 2.0 Flash Thinking and DeepSeek-R1The new generation of "reasoning" artificial intelligence chatbots is susceptible to a jailbreaking method that hijacks models' safety pathways, reducing their ability to detect harmful content. The attack modifies the reasoning processes and reintegrates the changes into the original queries.

Weak Encryption, Data Transfers to China, Hidden ByteDance Links FoundSecurity researchers found DeepSeek AI has weak encryption, SQL injection flaws and sends user data to Chinese state-linked entities. Its AI model failed jailbreak tests, making it prone to manipulation. Regulators in Europe, South Korea, and Australia are investigating, with bans and warnings issued over security risks.

Now we know exactly how DeepSeek was designed to work, and we may even have a clue toward its highly publicized scandal with OpenAI.

A ChatGPT jailbreak flaw, dubbed "Time Bandit," allows you to bypass OpenAI's safety guidelines when asking for detailed instructions on sensitive topics, including the creation of weapons, information on nuclear topics, and malware creation. [...]

Cybersecurity researchers have shed light on a new jailbreak technique that could be used to get past a large language model's (LLM) safety guardrails and produce potentially harmful or malicious responses

A novel technique to stump artificial intelligence (AI) text-based systems increases the likelihood of a successful cyberattack by 60%.