Boston Scientific cuts guidance in wake of cyberattack, sees rebuilding years ahead
Boston Scientific lowered its financial guidance and slashed jobs after a cyberattack disrupted operations and triggered a double-digit drop in its stock price. The company reported third-quarter 2026 sales that exceeded initial expectations, but lowered its quarterly revenue guidance and adjusted earnings per share outlook. Management warned that rebuilding will take years, citing upcoming operational headwinds, pricing pressures in China, and weak demand for heart devices. Delayed product rollouts are expected to cause the company to cede market share through 2027.
Listen to Live Briefing
Real-time synthesized voice briefing · Live Feeds Desk
- ✓ Boston Scientific shares fell as much as 12% after the company cut its adjusted EPS outlook to $3.16.
- ✓ A cybersecurity incident disrupted manufacturing and product shipments for eight business days during the third quarter.
- ✓ The cyberattack cost Boston Scientific about 300 basis points of third-quarter growth.
- ✓ Boston Scientific employs more than 7,000 staff across its three Irish plants in Cork, Clonmel, and Galway.
What changed
Boston Scientific cut its full-year 2026 adjusted earnings per share outlook and warned of a difficult market environment extending through 2027.
Live updates
-
Boston Scientific Cuts Guidance Following Cyberattack
Boston Scientific lowered its financial guidance and slashed jobs after a cyberattack disrupted operations and triggered a double-digit drop in its stock price. The company reported third-quarter 2026 sales that exceeded initial expectations, but lowered its quarterly revenue guidance and adjusted earnings per share outlook. Management warned that rebuilding will take years, citing upcoming operational headwinds, pricing pressures in China, and weak demand for heart devices. Delayed product rollouts are expected to cause the company to cede market share through 2027.
Why it matters
The medical technology manufacturer employs more than 7,000 workers across its Irish facilities in Cork, Clonmel, and Galway. A recent cybersecurity breach halted manufacturing and product shipments for eight business days, inflicting a heavy sales hit and costing the business about 300 basis points of third-quarter growth.
What is confirmed
- Boston Scientific shares fell as much as 12% after the company cut its adjusted EPS outlook to $3.16.
- A cybersecurity incident disrupted manufacturing and product shipments for eight business days during the third quarter.
- The cyberattack cost Boston Scientific about 300 basis points of third-quarter growth.
- Boston Scientific employs more than 7,000 staff across its three Irish plants in Cork, Clonmel, and Galway.
Still unconfirmed
- Management expects 2027 to serve as a trough year due to delayed product launches and continued competitive pressures in electrophysiology.
What to watch next
- Execution of upcoming product launches including FARAWAVE Ultra and FARAFLEX
- Performance of heart-device franchises and Chinese market pricing trends
- Further announcements regarding job cuts and restructuring timelines
confidence 95%Sources used for this update (12)
- MassDevice — Boston Scientific cuts guidance in wake of cyberattack, sees rebuilding years ahead
- Star Tribune — Boston Scientific chopping jobs as its stock price keeps dropping
- Yahoo Finance — Boston Scientific: Q3 Earnings Snapshot
- Bloomberg — Boston Scientific Falls on Sales Hit After Prior Cyberattack
- Reuters — Boston Scientific warns of tough 2027 on China pricing, heart-device weakness
- Yahoo Finance — Boston Scientific (NYSE:BSX) posts better-than-expected sales in Q3 2026 but quarterly revenue guidance misses expectations
- elderofziyon.blogspot.com — 10/29 Links Pt2: The Orwellian rewriting of the October 7 massacres; Blaming the Jews for Everything in Michigan; Anti-Israel acti....
- shattered.io — Boston Scientific Cyberattack Cuts EPS Outlook [2026]
- finance.yahoo.com — Boston Scientific Sinks 12% as Cyberattack Forces Guidance ...
- insights.citeline.com — Boston Scientific’s Cyberattack Cuts Guidance And Warns Of ...
- www.marketbeat.com — Boston Scientific Q3 Earnings Call Highlights - MarketBeat
- www.irishexaminer.com — Boston Scientific cuts sales outlook in 'challenging year' of ...
Community Sentiment: How do you assess this situation?
Voice your perspective · Real-time aggregated sentiment from the Live Feeds community