Data breaches Data breaches

Technology is getting smarter, but hackers are still stealing data through basic web application flaws. Even sophisticated attacks exploit a series of basic security oversights. In this topic page, we keep tabs on some of the most prominent breaches and discuss how you can avoid being a statistic.

North Korean hacking group builds AI tools

North Korean hacking group builds AI tools

For a range of attack and reconnaissance purposes.
Staff Writer Aug 11 2026 6:50AM Security
Hackers targeted US private equity, other firms including Blackstone, CME

Hackers targeted US private equity, other firms including Blackstone, CME

Over the past month.
Raphael Satter, AJ Vicens and Anirban Sen Aug 7 2026 6:43AM Security
Its AI agent spent days hacking a company, but sources say OpenAI did not notice for a week

Its AI agent spent days hacking a company, but sources say OpenAI did not notice for a week

Until ⁠well after the threat was contained.
Raphael Satter, Deepa Seetharaman and Kenrick Cai Jul 27 2026 6:08AM Security
US and allies say Russian hackers stole emails without social engineering

US and allies say Russian hackers stole emails without social engineering

"Half-click exploit".
Raphael Satter Jul 24 2026 6:33AM Security
Qantas escapes formal OAIC probe over 2025 vishing breach

Qantas escapes formal OAIC probe over 2025 vishing breach

No failings by airline to protect personal information.
Juha Saarinen Jul 16 2026 4:34PM Security
US unseals charges, offers reward for info on alleged Russian hackers

US unseals charges, offers reward for info on alleged Russian hackers

Accused of ransomware attacks ‌against critical ⁠infrastructure.
AJ Vicens Jul 15 2026 6:34AM Security
NSW gov downgrades impact of alleged Treasury data breach

NSW gov downgrades impact of alleged Treasury data breach

As investigation continues.
Ry Crozier May 5 2026 6:51AM Security
NSW Treasury staffer allegedly exfiltrated 5600 sensitive documents

NSW Treasury staffer allegedly exfiltrated 5600 sensitive documents

Charges laid.
Ry Crozier Apr 21 2026 4:18PM Security
Iranian hackers' targeting of US critical infrastructure has escalated

Iranian hackers' targeting of US critical infrastructure has escalated

Since start of war, US says.
AJ Vicens Apr 8 2026 6:34AM Security
Russia-backed hackers breach Signal, WhatsApp accounts of officials, journalists

Russia-backed hackers breach Signal, WhatsApp accounts of officials, journalists

Masquerade as support chatbot.
Anthony Deutsch Mar 10 2026 6:29AM Security
FIIG penalised $2.5m for cyber security failures

FIIG penalised $2.5m for cyber security failures

After large-scale data breach attributed to ransomware infection.
Juha Saarinen Feb 9 2026 8:25PM Security
Murray Irrigation landholder data accidentally leaked

Murray Irrigation landholder data accidentally leaked

Promises "a full external investigation".
Ry Crozier Dec 30 2025 1:19PM Security
University of Sydney "online IT code library" breached

University of Sydney "online IT code library" breached

Personal data of 27,500 staff and affiliates stored in test files.
Ry Crozier Dec 23 2025 8:25AM Security
Services Australia may get powers to rein in data breach exposure

Services Australia may get powers to rein in data breach exposure

As Centrelink and Medicare identifiers continue to be compromised.
Ry Crozier Dec 10 2025 11:48AM Security
China-linked Flax Typhoon tweaked ArcGIS plugin to act as stealthy backdoor

China-linked Flax Typhoon tweaked ArcGIS plugin to act as stealthy backdoor

Avoids use of obvious malware.
Juha Saarinen Oct 16 2025 9:58AM Security
Age verification IDs taken in Discord data breach

Age verification IDs taken in Discord data breach

September data breach disclosed.
Juha Saarinen Oct 7 2025 1:52PM Security
NSW gov contractor uploaded Excel spreadsheet of flood victims' data to ChatGPT

NSW gov contractor uploaded Excel spreadsheet of flood victims' data to ChatGPT

In March.
Ry Crozier Oct 6 2025 10:24AM Security
How North Korean hackers are using fake job offers to steal cryptocurrency

How North Korean hackers are using fake job offers to steal cryptocurrency

At least 230 victims of 'Contagious Interview' threat identified.
AJ Vicens and Raphael Satter Sep 5 2025 11:07AM Security
International coalition calls out three Chinese companies over hacking campaign

International coalition calls out three Chinese companies over hacking campaign

Some activity linked to Salt Typhoon.
Raphael Satter Aug 28 2025 6:21AM Security
University of Western Australia resets all staff and student passwords

University of Western Australia resets all staff and student passwords

After 'data breach'.
Ry Crozier Aug 11 2025 1:28PM Security

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