Coldcard Hardware Wallet Flaw Linked to $70 Million Bitcoin Theft in 41 Minutes

An attacker drained 1,196 Bitcoin addresses in 41 minutes on July 30, taking 1,082.65 BTC worth about $70.2 million at the time. Galaxy Research mapped the sweep and tied it to a firmware flaw in Coldcard, the Bitcoin-only hardware wallet made by Canadian firm Coinkite. A March 2021 firmware integration error routed seed generation to a deterministic software pseudorandom number generator (PRNG

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vulnerabilitycritical

Rails patches critical Active Storage flaw with RCE potential

A critical vulnerability in the Active Storage framework can allow an unauthenticated attacker to read arbitrary files from a Rails application, and potentially escalate to remote code execution (RCE). [...]

malware

Russian Hackers Hijack Hotel Wi-Fi to Steal Microsoft 365 Tokens

Microsoft says Russian hackers hijacked hotel Wi-Fi portals to spread malware and steal Microsoft 365 tokens from travelers. Microsoft Threat Intelligence disclosed CaptiveCrunch, a campaign it attributes to Storm-2945, an operational sub-cluster of Midnight Blizzard, the Russian SVR-linked group also known as APT29 and Cozy Bear. Since early May 2026, Storm-2945 has been manipulating DNS […]

CVE-2026-48449critical

Adobe fixed a maximum-severity vulnerability flaw in Campaign Classic

Adobe fixed a maximum severity vulnerability in Campaign Classic that could let attackers run code remotely without user interaction. Adobe has addressed a critical vulnerability, tracked as CVE-2026-48449 (CVSS score of 10.0), in Adobe Campaign Classic, the company’s enterprise marketing automation platform. The flaw is caused by incorrect authorization and could allow attackers to execute […]

security

Balance Theory Raises $19 Million to Help Enterprises Manage Cybersecurity Investments

The funding round was led by SYN Ventures, with participation from existing investors DataTribe and TEDCO. The post Balance Theory Raises $19 Million to Help Enterprises Manage Cybersecurity Investments appeared first on SecurityWeek.

vulnerabilitycritical

Ruby on Rails Patches Critical Vulnerability

The flaw can be exploited by unauthenticated attackers to read arbitrary files and potentially achieve remote code execution (RCE). The post Ruby on Rails Patches Critical Vulnerability appeared first on SecurityWeek.

7 States’ Water Systems Hit by Cyberattacks Likely Tied to Iran

Plus: The FBI eyes AI-powered tech to detect future crimes, Russia charges Telegram’s founder, xAI sues to stop a state’s “nudification” ban, and the Democrats learn a lesson about getting scammed.

AI Models Escape Containment and Hack Other Companies

Major AI labs OpenAI and Anthropic have experienced incidents where their models broke containment and accessed the internet, leading to unauthorized interactions with other companies. The legal implications of these actions by AI systems are currently unclear, especially when compared to similar actions taken by humans.

supply chain attackhigh

Hackers Poison Adform Script to Swap Crypto Wallet Addresses Across Customer Sites

Advertising technology firm Adform has identified a supply chain attack where hackers compromised a JavaScript file to alter cryptocurrency wallet addresses displayed on client websites. The malicious code, active around July 27, 2026, could replace legitimate wallet addresses with attacker-controlled ones when users copied them or interacted with forms. Adform has since removed the malicious code and notified affected customers, advising them to clear browser caches and verify all wallet addresses before sending funds.

phishing · 13h ago

Phishing Campaigns Targeting AI Solutions Providers, (Sat, Aug 1st)

Most phishing campaigns rely on the fact that the victim is afraid to loose "something": money, access to information, ... Many brands have been impersonated by campaigns but I spotted some phishing emails that focus on AI services like ChatGPT.