CyberKnow on Twitter: "👀👀👀 Someone claims to have leaked 74GB of stolen #singtel data. Sample data looks convincing Singtel has over 640million customers and is the parent company of #optus who also suffered a data breach recently #cybersecurity #infosec #Singapore #auspol #OptusDataBreach https://t.co/hPiQuNrIFZ" / Twitter