Boston Scientific cyberattack disrupts global operations, order processing

Boston Scientific ↗ 3.12% disclosed Wednesday that a cyberattack identified on August 25, 2026, has disrupted its global operations, including the company's ability to process and ship customer orders. The Marlborough, Massachusetts-based medical device maker filed an 8-K with the SEC on August 26, stating it has activated incident response protocols and engaged third-party cybersecurity experts, though the timeline for full restoration remains unknown.stocktitan+1

Operations Halted, Staff Sent Home

The breach has restricted access to information systems and business applications that support core operations. In an internal email sent at 4 a.m. Irish time, Catherine Stoessel, the company's senior vice president and chief information officer, told staff that "recovery operations will take place in phases, with sites and areas prioritised by business need."echolive

Staff at Boston Scientific's Cork plant in Ireland were instructed to work from home, while workers on the previous day's shift had been sent home at 2 p.m. with full pay. Contract staff on the evening shift were also sent home. The company employs more than 7,000 people across three Irish plants in Cork, Clonmel, and Galway.echolive

Shares fell approximately 3.5% in premarket trading Wednesday, according to Reuters. The stock was already under pressure this year after the company cut its full-year 2026 organic revenue growth guidance in late July to 5% to 6%, down from a previous range of 6.5% to 8%.fiercebiotech+1

Rising Threat to Healthcare Sector

The attack adds Boston Scientific to a growing list of healthcare and medtech companies targeted by hackers in 2026. Medtronic ↘ 0.64% in April disclosed unauthorized access to some of its IT systems, while Stryker ↘ 2.08% in March suffered a major attack that disabled employee devices, with hackers claiming to act on behalf of Iran.marketscreener+1

Organizations faced an average of 2,336 cyberattacks per week in July, up nearly 14% since May, according to Check Point Research.marketscreener

Boston Scientific said it has not yet determined whether the incident is "reasonably likely to have a material impact" on its business, citing potential risks including litigation, reputational damage, and regulatory scrutiny.cnbc+1