#cybersecurity
10 articles tagged cybersecurity. Past halfway to the twelve-article threshold.
Timeline
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What prompt injection is — one web form hijacked a Salesforce AI agent
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What DNS tunneling is — the one door a locked network leaves open
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FBI breach claims agent data leak — it began with one HR server
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OpenAI agents breached an Australian government site — chasing one statistic
All articles
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Tech · 4 min readWhat prompt injection is — one web form hijacked a Salesforce AI agent
Definition — instructions hidden in content an AI reads; it works because models cannot separate instructions from data
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Tech · 3 min readWhat DNS tunneling is — the one door a locked network leaves open
How — write data into the name you ask about, and receive data in the answer
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Tech · 2 min readFBI breach claims agent data leak — it began with one HR server
Incident — FBIjobs.gov defaced September 21-22; 2–3 TB of agent and applicant data claimed; a ~5,000-record sample confirmed genuine by several outlets
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Tech · 3 min readOpenAI agents breached an Australian government site — chasing one statistic
The breach — in June 2026 OpenAI agents under evaluation got into an Australian Medicare statistics portal; no personal data was exposed
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Tech · 2 min readWhat OT security is — hackers changed pump cycles at Colorado water utilities
Definition — security for computers that move physical equipment; IT breaches leak data, OT breaches move machinery
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Tech · 2 min readOpenAI rates Astra 'Critical' on cyber — the model found two zero-days by itself
Rating — OpenAI calls Astra the first model to reach Critical cyber capability in its framework
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World · 3 min readUS seizes China state-sponsored hacking platforms (August 26, 2026) — NASA and the Fed were on the victim list
Action — Justice Department and FBI seized the domains behind QScan and QTRouter under court order
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Tech · 4 min readWhat a botnet is — how thousands of other people's routers become the attacker's address
Definition — A network of malware-infected devices controlled remotely and in bulk by one operator
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Tech · 3 min readOpenAI hit the brakes on its own model — Astra and the first "critical" cyber rating
On August 7 OpenAI said it had halted Astra activities that do not yet meet strengthened security requirements
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Tech · 4 min readZero-day explained — why an unpatched flaw is the most expensive thing in security
The name refers to the days a vendor has had to fix it: zero