Bursa Malaysia stated that losses stemming from unauthorised trading activities executed on 24 April have now been quantified and contained.

In consultation with the Securities Commission Malaysia (SC), the exchange confirmed the incidents were limited to online client trading accounts at a small number of brokerage firms.

Steps have been taken to prevent further issues.

The unauthorised trades specifically involved shares of Bina Puri Holdings Bhd and Bina Puri’s Warrant-B last Thursday afternoon, with no subsequent incidents reported.

Bursa Malaysia issued a directive on Sunday evening requiring the relevant brokers to retain the affected securities and any related proceeds for at least 14 days or such time as necessary to facilitate ongoing investigations.

The exchange has also initiated discussions with the affected brokers to determine how to manage the trades fairly.

The exchange reiterated previous statements, including one from 25 April, emphasising that the issue was confined to a limited number of accounts and brokers, countering some earlier reports suggesting it was widespread.

All brokers have been advised to strengthen their internal controls and cyber security measures as a precaution.

A forensic audit will be conducted on the relevant parties to investigate the root cause of the security breaches.

Bursa Malaysia assured that its own trading and clearing systems remain secure and were not compromised, stating the market continues to be accessible and operate in an orderly manner for participants.

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