PETALING JAYA: A recent unprecedented global tech crisis triggered by a faulty update from cybersecurity firm CrowdStrike serves as a stark reminder for businesses and providers of essential services about the need for a robust backup system, say experts

.They said the outage also raised concerns about whether such incidents could originate not only from a genuinely accidental glitch, such as that caused by CrowdStrike, but also from a calculated move by bad actors.