Attackers are blending in, taking control of reliable apps, common tools, and even AI assistants. Nezha is an open-source monitoring tool that malicious actors are using to access compromised hosts remotely. In an effort to combat fraud and identity theft, South Korea will start requiring individuals to submit to facial recognition when registering for a new mobile phone number.

The new policy, which is applicable to SK Telecom, Korea Telecom, and LG Uplus, will go into effect on March 23 following a trial that started this week. Threat actors are using phony proof-of-concept (PoC) exploits for security flaws to target novice professionals and students. According to ESET, campaigns that distributed Gu loader, also known as CloudEyE, reached a new high between September and November

2025.

Microsoft Teams will automatically By default, turn on messaging security features like malicious URL protection, weaponizable file type protection, and reporting inaccurate detections. According to Microsoft, the Tenant Allow/Block List in the Microsoft Defender portal will allow security administrators to block external users in Microsoft Teams. Pillar Security found the prompt injection flaw in the beta version.

Version 4.50.0, which was released on November 6, 2025, fixed the problem. In order to strike a balance between strong security and minimal performance impact, Microsoft announced that hardware-accelerated BitLocker will be released in Windows

11.

A threat actor known as AlphaGhoul is promoting a tool called NtKiller that they claim can stealthily terminate antivirus and security solutions, such as Microsoft Defender, ESET, Kaspersky, Bitdefender, and Trend Micro. North Korean threat actor linked to a new initiative called Artemis. AI tools are being used by Russian influence operation CopyCop to expand its operations worldwide.

Every AI twist, phony lure, and exploit indicates that systems are being tested in real time. Cybersecurity is currently at the intersection of automation and trust. What we choose to notice today will determine how prepared we are to deal with that tension, which will define the next chapter.

The biggest threats frequently lurk in the most seemingly ordinary situations, and that's precisely where the next defense breakthrough will start.