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1.7 million

haveibeenpwned.com • April 15, 2026

In March 2026, Hallmark suffered an alleged breach and subsequent extortion after attackers gained access to data stored within Salesforce. The data was later published after the extortion deadline passed, exposing 1.7M unique email addresses across both Hallmark and the Hallmark+ streaming service, along with names, phone numbers, physical addresses and support tickets.

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Malicious LLM Proxy Routers Compromise AI Security A recent study identified 28 malicious LLM proxy routers that can modify AI service responses and access sensitive credentials. The research tested 28 paid routers and 400 free routers, revealing that nine injected harmful commands, two employed delay triggers, and 17 accessed AWS account canaries. One router was capable of emptying a private Ethereum wallet, indicating severe malicious intent. The compromised routers can relay commands across a company's AI infrastructure, posing a significant risk of malware, credential theft, and data exfiltration. The research team demonstrated the threat by leaking an OpenAI API key, leading to over 400 sessions into their proxy mesh. This incident highlights vulnerabilities in AI cost-control systems and the potential for widespread impact on organizations utilizing LLMs. The findings emphasize the need for heightened security measures in AI deployments. 2 sources 71

Extracted Entities

1.7 million

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Extracted Entities

Attack Types (1)

Companies (2)

MITRE ATT&CK (1)