JobStreet is informing clients by email whether they were caught up in a Malaysia-based data breach Attack.Databreach that affected 19 different companies . “ We are writing to notify you that we recently identified a post claiming that personal information from the databases of 19 corporations and associations had been made public , including ours , ” the email says . According to website haveibeenpwned.com , 3,883,455 JobStreet accounts were affected by the breach Attack.Databreach . It says the information was freely downloadable on a Tor hidden service . The breach Attack.Databreach also affected more than 46 million Malaysian users and several telecommunications companies . Telecommunications providers caught by the breach Attack.Databreach include Altel , Celcom , DiGi , EnablingAsia , Friendi , Maxis , Merchantrade Asia , PLDT , Redtone , Tunetalk , Umobile and XoX , reports suggest . It also affected organisations such as the Academy of Medicine Malaysia , the Malaysian Dental Association , the Malaysian Medical Association , and the National Specialist Register of Malaysia . Reports speculate that more than 81,000 records were stolen Attack.Databreach from these organisations . “ Our investigations established that some personal candidate information pertaining to accounts created before July 2012 has been exposed Attack.Databreach . To help protect our customers , the team is continuously enhancing our security measures for all user information stored with JobStreet.com , ” JobStreet CEO Suresh Thiru says in an email . According to media reports , that personal information includes identity card numbers , addresses , login IDs , passwords , names , emails and phone numbers . Haveibeenpwned.com also notes that on JobStreet , dates of birth , genders , geographic locations , marital statuses , nationalities and usernames were also compromised Attack.Databreach . The Malaysian Communications and Multimedia Commission ( MCMC ) may have discovered the possible source of the data leaks Attack.Databreach , according to Malaysian Communications Minister Salleh Said Keruak . `` We have identified several potential sources of the leak and we should be able to complete the probe soon , '' he announced .