Skip to content

Which companies just had a verified incident, who lends to them and who owns them. Every claim carries its evidence level and its source. How we decide what is confirmed

Global Financial Service Disruptions

ASX (Market Announcements Platform)

securities exchange · AU · Oceania · ASX Limited

Technical failureStatus: resolvedTier 1Severity 2 of 5Evidence confidence: highAnalyst-verified

On 1 Dec 2025 an ASX announcements-platform outage linked to a security-upgrade deployment halted company disclosures for hours, leaving about 80 stocks in trading halts. ASX said it was not a cyber incident.

First disruption
Dec 1
First public signal
Dec 1 (ASX notice; announcements website down)
Acknowledged
Dec 1
Restored
Dec 1
Duration
not established
DFX first recorded
Nov 5 14:58 UTC

What was restricted

tradingScope: multi institution

Company announcements platform down for hours; about 80 stocks with price-sensitive news placed in trading halts; cash equities trading otherwise open.

Cause, kept in separate layers

What the institution said
Related to a software deployment for a security upgrade; not a cybersecurity incident
DFX classification
Technical failure (cyber: ruled out)
Wording used
software deployment for a security upgrade
Conflicting reports
A low-quality blog claimed a separate 3 Dec market-wide halt; not corroborated, not recorded.

Evidence