Data I/O, a leading manufacturer specializing in device programming and security provisioning solutions, experienced a major ransomware attack in August 2025 that crippled core operations and raised industry-wide concerns about supply chain vulnerabilities in the technology sector.
The attack, first detected on August 16, 2025, used a sophisticated phishing campaign to compromise network credentials, enabling the attackers to exploit vulnerabilities in the company’s remote access systems and achieve lateral movement across network segments.
This incident resulted in the encryption of critical proprietary data, including chip design schematics, manufacturing blueprints, sensitive communications, and firmware for products used by major clients such as Amazon, Apple, Google, and automotive manufacturers.
Attack methodology
Investigations mapped the attack to mul
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