Ministry of Defence Data Breach History

This page tracks the Ministry of Defence data breach history and cybersecurity incidents affecting Ministry of Defence (India). BreachHistory currently indexes 9 publicly disclosed or catalogued incidents spanning 2005 through 2025, with approximately 2.4 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Ministry of Defence breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest Ministry of Defence Data Breaches

The largest indexed incidents include the 2008 MoD — 1.7M records, EDS hard drive missing, the 2008 Royal Navy — 600K Armed Forces applicants, and the 2008 Service Personnel — 50.5K staff USB drives stolen, along with additional historical incidents involving exposed passwords, public databases, and large-scale data scraping. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Ministry of Defence or a regulator. Below is the list of large data breaches:

• 2008 2008 MoD — 1.7M records, EDS hard drive missing — about 1.7M records exposed · Catalogued incident
• 2008 2008 Royal Navy — 600K Armed Forces applicants — about 600.0K records exposed · Catalogued incident
• 2008 2008 Service Personnel — 50.5K staff USB drives stolen — about 50.5K records exposed · Catalogued incident
• 2022 2022 MoD — 19K Afghans fleeing Taliban leaked — about 19.0K records exposed · Catalogued incident
• 2025 2025 MoD — 3,700 Afghan resettlers — about 3.7K records exposed · Catalogued incident
• 2006 2006 MoD — Royal Navy laptop stolen Manchester — about 500 records exposed · Catalogued incident
• 2005 2005 MoD — Army laptop stolen Edinburgh, 500+ records — about 500 records exposed · Catalogued incident
• 2024 2024 MoD — 265 emails exposed via BCC error — about 265 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, names, physical addresses, bank account details, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Ministry of Defence Data Breach 2026

At the time of this update, no Ministry of Defence data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Ministry of Defence data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Ministry of Defence breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.