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5 karet z 5 položek CZ · EN/orig

3. 9. 2026 2

ASCII smuggling crosses over from AI prompt injection to phishing evasion

In this article What is ASCII smuggling?Writing a practical ASCII-smuggling signatureWhat we observed: ASCII smuggling repurposed for phishingWhat is known and what is newIs there a detection gap?Mitigation and protection guidanceReferencesLearn More Microsoft researchers observed a high-volume phishing campaign using invisible Unicode tag characters, a technique popularized in AI prompt injection research as ASCII Smuggling. Instead of using these characters to hide instructions from people…

Microsoft finance US

tg: varování tg: zneužíváno tp: phishing tp: identita

Microsoft Security Blog · 3. 9. 18:00

Impersonating IT support: how threat actors turn a remote session into enterprise-wide access

In this article Risk to enterprise environmentsAttack chain overviewMitigation and response recommendationsLearn more Microsoft Threat Intelligence has observed a human-operated intrusion campaign that abuses Microsoft Teams external collaboration to impersonate IT or helpdesk personnel and socially engineer users into granting an interactive remote session. Once remote control is established via RMM tools, the threat actor uses PowerShell to download and silently install a malicious MSI…

Microsoft US

tg: varování tg: rozbor tp: phishing tp: špionáž

Microsoft Security Blog · 3. 9. 00:51

31. 8. 2026 2

Microsoft warns of TerminalFix attacks deploying reverse tunnels

A new ClickFix variant dubbed TerminalFix uses fake Cloudflare CAPTCHA prompts on compromised websites to trick victims into running malicious PowerShell commands in Windows Terminal. [...]

Microsoft Cloudflare US

tg: varování tg: zneužíváno tp: malware tp: phishing

BleepingComputer · 31. 8. 20:51

Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams

Learn how the Spring Ring campaign abuses Microsoft Teams and voice phishing to deploy malware and target enterprise domain controllers. The post Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams appeared first on Unit 42.

Microsoft US

tg: varování tg: rozbor tp: malware tp: phishing

Palo Alto Unit 42 · 31. 8. 12:00

29. 8. 2026 1

TerminalFix campaign deploys a reverse tunnel through multistage intrusion

In this article Attack chain overviewMitigation and protection guidanceLearn more Microsoft Threat Intelligence has observed a TerminalFix campaign, a variant of ClickFix, targeting organizations across multiple industries. The campaign uses compromised websites to display a fake Cloudflare CAPTCHA verification overlay that tricks users into copying and executing a malicious PowerShell command. While traditional ClickFix campaigns direct victims to the Windows Run dialog, TerminalFix campaigns…

Microsoft US

tg: varování tg: zneužíváno tp: malware tp: phishing

Microsoft Security Blog · 29. 8. 05:43