Stryker hacked, 50 Terabytes gone: How a US Strike on a school in Iran set off a global cyberattack

Core Insights - Stryker Corporation, a major medical device manufacturer, is experiencing a significant cyberattack that has disrupted its global network, affecting Windows-based devices [1][6] - The attack is attributed to Handala, a hacking group linked to Iran, claiming it as retaliation for a recent military strike in Iran [3][4] - Handala claims to have exfiltrated 50 terabytes of corporate data from Stryker, although the company has not found evidence of ransomware or malware [6] Company Overview - Stryker Corporation is based in Michigan and serves over 150 million patients annually across 61 countries [1] - The company reported revenues exceeding $25 billion in 2025 and manufactures a wide range of medical devices, including artificial joints and robotic surgery systems [6] Cybersecurity Incident - The cyberattack began shortly after midnight on the US East Coast, leading to a disruption of Stryker's Microsoft environment [1] - Company staff noted that Handala's logo appeared on login pages, indicating a breach [6] - The FBI and the Department of Homeland Security's cybersecurity agency have not commented on the incident [7] Broader Context - The attack on Stryker is part of a larger Iranian cyber offensive, with the Islamic Revolutionary Guard Corps designating US and Israeli-linked economic centers as targets [8] - Iranian media has identified prominent US technology firms, including Google and Microsoft, as potential targets in this ongoing conflict [9]