Iran-linked hackers launch cyberattack against U.S. medtech company Stryker


U.S. medical technology company Stryker is currently experiencing a massive cyberattack, which has shut down their computer systems and, as a result, even closed the company’s offices.

An Iran-linked digital activist collective known as Handala is claiming credit for the cyberattack against Stryker. This would be the first major cyberattack carried out in the wake of the U.S. war in Iran. Cybersecurity researchers have warned that U.S. companies face an elevated threat risk, primarily from Iran-linked hacktivist groups.

Read more…
Source: Yahoo News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Washington Post says it is among victims of cyber breach tied to Oracle software

    November 6, 2025

    The Washington Post said it is among victims of a sweeping cyber breach tied to Oracle software. In a statement released on Thursday, the newspaper said it was one of those impacted “by the breach of the Oracle E-Business Suite platform.” The paper did not provide further detail, but its statement comes after CL0P, the notorious ...

  • Operation South Star: 0-day Espionage Campaign Targeting Domestic Mobile Phones

    November 4, 2025

    In recent years, during high-intensity confrontations with Advanced Persistent Threat (APT) groups from the Northeast Asia region, the RedDrip team at QiAnXin Threat Intelligence Center has discovered nearly 20 0day vulnerabilities involving domestic software. Some details have been disclosed in our public reports such as Operation DevilTiger, Operation ShadowTiger, and XSS 0day+Clickonce. In reality, 0day activities ...

  • SesameOp: Novel backdoor uses OpenAI Assistants API for command and control

    November 3, 2025

    Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) as a mechanism for command-and-control (C2) communications. Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as ...

  • University of Pennsylvania says it has called FBI over data breach

    November 3, 2025

    The University of Pennsylvania says it has called in the Federal Bureau of Investigation after offensive emails were distributed to alumni. In a statement, the university said that a data breach had affected “select information systems.” An email sent to University of Pennsylvania alumni on Friday and reviewed by Reuters showed that someone masquerading as the ...

  • Canadian government claims hacktivists are attacking water and energy facilities

    October 31, 2025

    The Canadian government has issued a new security alert warning of so-called hacktivists targeting Industrial Control Systems (ICS). The report says the Cyber Centre and the Royal Canadian Mounted Police has received “multiple reports” of incidents involving internet-accessible ICS. Among the reports were an attack on a water facility, in which the miscreants tampered with water ...

  • Government hackers breached telecom giant Ribbon for months before getting caught

    October 31, 2025

    U.S. telecommunications giant Ribbon has confirmed that government-backed hackers had access to its network for almost a year before getting caught, according to a public filing. The telco giant said in a 10-Q disclosure last week with the U.S. Securities and Exchange Commission that a suspected “nation-state actor had gained access to the company’s IT network” ...