United Kingdom
GBR
Tesco cyber interference disables online grocery shopping and order changes
An attempted cyber interference operation disrupted Tesco’s grocery website and app from October 23 through October 24, 2021. Customers were unable to place, modify or track online grocery orders and delivery arrangements until the service was restored late on October 24.
72
Estimated severity
72 / 100
90
Source reliability
90 / 100
Approximate Date
2021-10-23
Targeted Company
TESCO
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
No information
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
United Kingdom
Affected countries
United Kingdom
Impacted regions
No information
Operational Impact
Duration
2 days
Financial impact (USD M)
No information
Impact types
Order processing disruptionService unavailability
Affected sectors
Retail
Affected departments
Information TechnologyOrder ManagementSales
Attack Profile
Attack types
No information
Attributed threat actors
No information
Sources
Incident Sources
investing.comhttps://www.investing.com/news/stock-market-news/tesco-says-online-services-disrupted-by-interference-attempt-2653284theguardian.comhttps://www.theguardian.com/business/2021/oct/24/tesco-website-hit-by-hackers-leaving-thousands-of-customers-frustratedtheregister.comhttps://www.theregister.com/security/2021/10/25/tesco-app-back-online-following-attack-that-took-it-down/845214