React2Shell exploitation continues to escalate, posing ‘significant risk’

Several hundred machines across a diverse set of organizations already compromised, Microsoft says.

Hundreds of Cisco customers are vulnerable to new Chinese hacking campaign, researchers say

Cisco warned that Chinese government hackers are exploiting a zero-day in some of its products. Researchers now say there are hundreds of vulnerable Cisco customers.

Cisco email security products actively targeted in zero-day campaign

Two Chinese-nexus groups have been exploiting a newly discovered flaw to establish persistence and launch backdoors.

Hackers stole data in UK government cyberattack, minister confirms

The attack seems to have happened in October but the risk towards citizens is minimal.

New research reveals AI is fueling an ‘unprecedented surge in cloud security risks’

Businesses are rushing to deploy AI, creating overly permissioned, misconfigured systems.

State actors are abusing OAuth device codes to get full M365 account access – here’s what we know

Researchers spotted multiple groups using the same technique and believe it’s only going to get worse.

Hacks, thefts and disruption: The worst data breaches of 2025

TechCrunch looks back at the biggest data breaches, disruptive cyberattacks, and damaging hacks of 2025, from the raiding of U.S. government databases to a hack every month in South Korea.

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Here are some ESET deals on Essentials, Premium, and Ultimate that are sure to blow your socks off.

It’s about time! Microsoft finally kills off encryption cipher blamed for multiple cyberattacks – RC4 bites the dust at last

Microsoft moves to disable RC4 after decades of exploitation, implementing AES-SHA1 encryption, tools, and network protections for safer systems.

ICE Seeks Cyber Upgrade to Better Surveil and Investigate Its Employees

The agency plans to renew a sweeping cybersecurity contract that includes expanded employee monitoring as the government escalates leak investigations and casts internal dissent as a threat.