Technology portal Lowyat.net has raised concerns over leftover traces from what it previously exposed as one of the biggest data breaches in the country’s history.

The portal today reported its “crawlers” had in January stumbled upon an offer for sale of confidential personal customer data belonging to pay TV operator Astro.

“The database was specific to Astro IPTV customers, and the seller claimed that they have up to 50,000 customer details, which included the customers' name, installation address, MyKad number, mobile phone number, equipment and portal ID numbers, as well as subscribed package information...