Murata Machinery Singapore Pte Ltd

bd_c41dfe5717870192 · schema v1 · pii pii-v1

Background The Personal Data Protection Commission (the “Commission”) received a data breach notification on 1 April 2022 from Murata Machinery Singapore Pte Ltd (“Organisation”) regarding a ransomware attack on its back-end servers on 31 May 2022, causing personal data stored within to be encrypted. The personal data of 200 individuals affected included names, addresses, email addresses, contact numbers, NRIC/FIN and passport numbers, date of birth, salary and bank account numbers. Remedial Actions After the incident, as part of a remediation plan, the Organisation implemented the following: (a) Replaced existing firewall and VPN client with more complete security features; (b) Implemented MFA before re-allowing use of VPN access into its server and a lockout threshold of 5 failed attempts for the VPN clients’ logins as an added security; (c) Restricted Remote Desktop Protocol (“RDP”) as a default setting to disallow remote access to its backend servers on regular days and only allowed RDP for planned maintenance tasks; (d) Implemented automated offline backups of the contents of the server in the form of a tape drive; (e) Implemented regular manual data backup to encrypted hard disks that will be kept under lock and key; (f) Deployed suitable encryption software to encrypt server directories containing personal data; (g) Periodically off-load low use personal data to an encrypted external hard disk ti be kept under lock and key offline; (h) Engaged vendor to regularly update and maintain its firewall, VPN client, to monitor traffic of its IT network for illegal access and to fulfill the following: i. Conduct regular audit to computer devices to ensure software and OS updated and patched; ii. Conduct regular review and audit to domain user accounts and computer devices to cleanup unused accounts; iii. Implemented local administrator password solution for domain user

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