Malaysia Inland Revenue Board (LHDN) Data Breach History
WebsiteThe Inland Revenue Board of Malaysia (LHDN/IRBM) administers national taxation through portals including MyTax (hasil.gov.my).
This page shows all data breaches of Malaysia Inland Revenue Board (LHDN). View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Malaysia Inland Revenue Board (LHDN) Breaches
Malaysia Inland Revenue Board (LHDN) Data Breach Summary
This page tracks the Malaysia Inland Revenue Board (LHDN) data breach history and cybersecurity incidents affecting Malaysia Inland Revenue Board (LHDN) (Malaysia). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 10.0 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 Malaysia Inland Revenue Board (LHDN) 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, while 1 remain unverified claims pending independent verification.
Largest Malaysia Inland Revenue Board (LHDN) Data Breaches
The largest indexed incidents include the 2026 Malaysia LHDN (MyTax) — dezetat sale claim (unverified); 10M taxpayer records…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Malaysia Inland Revenue Board (LHDN) or a regulator. Below is the list of large data breaches:
- 2026 2026 Malaysia LHDN (MyTax) — dezetat sale claim (unverified); 10M taxpayer records alleged — about 10.0M records exposed · Unverified claim
What Information Was Exposed?
Depending on the incident, exposed data may include email addresses, phone numbers, 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.
Malaysia Inland Revenue Board (LHDN) Data Breach 2026
At the time of this update, BreachHistory catalogues 1 2026 incident related to Malaysia Inland Revenue Board (LHDN). Most recent entry: 2026 Malaysia LHDN (MyTax) — dezetat sale claim (unverified); 10M taxpayer records alleged. 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 Malaysia Inland Revenue Board (LHDN) 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 Malaysia Inland Revenue Board (LHDN) 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.