PORTAGE, Mich. (WWMT) — As a result of a cyberattack, Stryker is experiencing a “severe, global disruption” on their Microsoft environment, according to the company on Wednesday.
Officials with Stryker say they do not have indication of ransomware or malware, and believe the disruption is contained.
“Our teams are working rapidly to understand the impact of the attack on our systems,” officials said online. “Stryker has business continuity measures in place to continue to support our customers and partners. We are committed to transparency and will keep stakeholders informed as we know more.”
Several employees reached out to News Channel 3, saying they received text messages just before 7:30 a.m. that said the reported disruption is impacting all Stryker laptops and systems connected to Stryker’s network.
In part, the message reads as follows:
“We are experiencing a severe, global disruption impacting all Stryker laptops and systems that connect our network. EDT is working to resolve the issue… Updates will be sent as information becomes available.”
Stryker Corporation based in Portage, Mich. was hit by a cyberattack affecting its global computer network on Wednesday, March 11, 2026. A photo sent to News Channel 3 by a Stryker employee showed login screens taken over by the logo for Handala, described by cyber security experts as an Iranian-linked pro-Palestinian hacking group. (WWMT)
The text instructs employees not to connect to Stryker’s network through any device or mobile apps, such as Microsoft Outlook or Microsoft Teams.
Stryker’s team members, according to the text, are working to address the reported disruption with security experts and law enforcement.
“Our people and our sites are safe,” the text message reads. “We are focused on our customers and the patients they serve, while ensuring the continuity of their operations and our own.”
“They may have to reconstruct certain systems and that can take, you know, a couple of days,” retired Brig. Gen. Michael McDaniel, a former deputy assistant secretary for Homeland Defense, said.
Employees told News Channel 3 they were sent home.
News Channel 3 has reached out to Stryker, but have not yet heard back.
The Wall Street Journal reports the cyberattack is suspected to be linked to Iran.
“We do know that Iran sponsors a number of surrogates outside of Iran itself in areas that have not been yet degraded by the Israelis or by the U.S.,” McDaniel said.
Rep. Bill Huizenga (R – MI) says his office has been in touch with Stryker and the Trump Administration. According to Huizenga, if the attack is connected to a group linked to Iran, it “continues to demonstrate the threat the Iranian regime pose to America, our allies, and our interests.”
“Cyber attacks from foreign adversaries, especially Iran, exemplify why funding for the Department of Homeland Security, which has been passed by the House, should be passed by the Senate without further delay,” Huizenga said.
Founded by Dr. Homer Stryker in Kalamazoo County, Stryker is a global leader in medical technologies.
The company, whose global headquarters is located in Portage, offers an array of products and services in Medical and Surgical, Neurotechnology, Orthopaedics and Spine that aim to improve patient and healthcare outcomes, according to Stryker’s website.
Globally, the company employs more than 53,000 people and has offices across 61 countries. These include the following locations:
North America
- Arizona
- California
- Canada
- Colorado
- Florida
- Illinois
- Indiana
- Tennessee
- Michigan
- Texas
- Minnesota
- Utah
- New Jersey
- Washington
Asia Pacific
- Australia
- Hong Kong (China)
- China
- India
- Japan
- South Korea
- Malaysia
- Taiwan
- New Zealand
- Thailand
- Singapore
Europe
- Austria
- Belgium
- Belfast
- Denmark
- Finland
- Italy
- France
- The Netherlands
- Germany
- Norway
- Ireland
- Poland
- Spain
- United Kingdom
- Sweden
- Switzerland
- Turkiye
Latin America
- Argentina
- Chile
- Brazil
- Colombia
- Costa Rica
- Puerto Rico
- Mexico
Middle East and Africa
- South Africa
- Saudi Arabia
- United Arab Emirates
The company earned $22.6 billion in global sales in 2024, owns 14,200 patents, and impacts more than 150 million patients annually, Stryker’s website detailed.
As of 12:38 p.m. Wednesday, stocks at Stryker are down 13.84 points (3.86%).
This is a developing story. Stay with News Channel 3 as we work to bring you more information.
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