Intelligence · Disclosure tracker
Every public disclosure, dated and sourced.
Public breach disclosures from regulators, court filings, company notices and news reporting, each recorded with its date and a link to the original. Updated daily.
5,621
Disclosures in the tracker, all years
2,126
Of those, indexed in 2026
54
Added in November
26
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 8 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Medium1 May 2025
TehetségKapu
Education · 54,357 records
54,357 records exposed, Email addresses, Names, Usernames
1 May 2025
Medium1 May 2025
Harrods (UK)
Retail · Records not stated
Luxury retailer confirmed cyber incident, restricted internet access as precaution
1 May 2025
High30 Apr 2025
Co-op Group (UK)
Retail · Records not stated
Attempted cyberattack forced Co-op to shut down IT systems, operations disrupted
30 Apr 2025
High22 Apr 2025
Marks & Spencer Cyber Incident
Retail · Records not stated
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
High22 Apr 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack disrupted online ordering and contactless payments across UK stores
22 Apr 2025
Were you affected?