Technicians working on a firewall upgrade made at least ten mistakes, contributing to two deaths, according to a report on a September incident that saw Australian telco Optus unable to route ...

Dec 18, 2025 · An inquiry into Optus's emergency services telephone number outage in Australia, which resulted in two deaths, revealed a series of failures during a firewall upgrade that left …

6 days ago · An independent review found that at least ten technical and process failures during a routine firewall upgrade at Australia's Optus prevented emergency calls from reaching Triple …

"Technicians working on a firewall upgrade made at least ten mistakes, contributing to two deaths, according to a report on a September incident that saw Australian telco Optus unable to route …

Dec 19, 2025 · Ten mistakes marred firewall upgrade at Australian telco, contributing to two deaths Optus gave bad instructions, staff didn’t escalate their concerns Technicians working …

Dec 19, 2025 · Technicians working on a firewall upgrade made at least ten mistakes, contributing to two deaths, according to a report on a September incident that saw Australian telco Optus …

Technicians working on a firewall upgrade made at least ten mistakes, contributing to two deaths, according to a report on a September incident that saw Australian telco Optus unable to route …