Top Tweets for #windowsDefender
@OpenAI ive never since windows 3.11 :) had defender ask to submit code but each time i open codex they want a submission, is this something I built?? @MicrosoftHelps #codex #openai #windowsdefender

When the AI "optimizes" your system but accidentally installs a new deity into your Task Manager.
#AI #WindowsDefender #TechHumor

Is Antimalware Service Executable using too much CPU? 🖥️⚡
It's a key part of Windows Defender, but it can sometimes affect performance. Learn how to optimize it without compromising security.
🔗 Learn more: https://t.co/4j5kIRhe9y
#WindowsDefender #CyberSecurity #TechTips

Do you think firefighters should be able to break car windows to save dogs?

Windows Defenderに脆弱性😨!
「CVE-2026-41091って何?自分のPC大丈夫?」という初心者向けに、わかりやすくまとめました💻
まず確認したい対策を丁寧に解説しています👇
https://t.co/ZgXo9xTzlv
#Windows11 #Windows10 #MicrosoftDefender #WindowsDefender #セキュリティ #脆弱性
Microsoft Patches Two Defender Zero-Days Under Attack #cve202641091 #windowsdefender #zerodayexploit https://t.co/Z8aHNPBuww
🚨 RedSun (no CVE, NO PATCH): Exploits Windows Defender's real-time engine → SYSTEM shell on FULLY PATCHED Win 10/11/Server 2019+. Huntress: enterprise targets actively hit. Chain w/ BlueHammer → instant SYSTEM. Your AV IS the attack vector. #ZeroDay #WindowsDefender
Gen Digital exposes a JDownloader site breach (May 6-7, 2026). Attackers used WDAC policies to kill antivirus and r77 rootkits for total system invisibility.
#JDownloader #SupplyChainAttack #CyberSecurity #InfoSec #Malware #Rootkit #WindowsDefender #WDAC
https://t.co/FthRZCHoEE

今日、社員から「PCから警告音が鳴り止まない」と顔面蒼白で電話が来た。
見に行ったらブラウザの全画面表示でWindowsDefenderの偽画面が出てるだけだった。
あの爆音アラート、周りの社員もビビるから本当にやめてほしい。
#詐偽 #WindowsDefender

Interact directly with Microsoft’s MAPS backend. Use this research tool to analyze file reputations, reverse the Bond protocol, and fuzz Defender's cloud API.
#MAPSCloudScanner #WindowsDefender #MalwareAnalysis #ReverseEngineering #InfoSec #CyberSecurity
https://t.co/UloWrIchJs

O Windows Defender VIROU ESCADA: o 0-day vazado agora tá sendo usado de verdade
https://t.co/2iACr0OE9R
#ciberseguranca #windowsdefender #zeroday #privilegeescalation #coachdeosasco

Windows Defender "RedSun" zero-day revealed! This unpatched EoP flaw turns antivirus into a delivery tool for malicious payloads. PoC is public!
#RedSun #WindowsDefender #ZeroDay #Microsoft #CyberSecurity #InfoSec #Exploit #PoC
https://t.co/bKaLRoujEO

A new technical blog post is up. This time, we analyse the "BlueHammer" exploit for Windows Defender.
Read it here: https://t.co/YRpOaLnmHW
#0day #windowsdefender #exploit #CyberSecurity #InfoSec #WindowsSecurity #LPE #ExploitAnalysis #RedTeam #VulnerabilityResearch #BlueHammer
Windows Defender'ı korumakla görevlendirdin.
Windows Defender seni SYSTEM yaptı. :)
BlueHammer: Gerçek MS hash update + Cloud Files callback + NT symlink = Low user ->> SYSTEM
AV'ye güvenlik denetimi yaptırmak bambaşka bir şey ;-)
🔗 https://t.co/Sn7jqmOmhI
#WindowsDefender #LPE #BlueTeam #0day #SiberGüvenlik #CyberSecurity
BlueHammer is a functional 0-day exploit targeting Windows Defender’s update engine to achieve SYSTEM privileges. Here is how the unpatched LPE works.
#BlueHammer #WindowsDefender #0day #CyberSecurity #InfoSec #LPE #Microsoft #Exploit
https://t.co/bbZLEkTjY3

#HardBit 4.0 is actively bypassing automated sandboxes by requiring a runtime authorization ID to execute. Our latest technical breakdown explores its use of the Neshta dropper, #WindowsDefender evasion tactics, and a highly destructive data "Wiper" mode.
Read more: https://t.co/14GeHrArfn

DefendNotツールを悪用し、偽AV登録でWindows Defenderを自動無効化する攻撃が確認。GitHub/Dropbox経由で配布され、後続マルウェア展開を容易化。Tamper ProtectionとEDR導入が防御の鍵 #DefendNot #WindowsDefender #Malware https://t.co/GSemyvjFN3
💂🏼 Running a 3rd party #firewall?
You may want to turn off #WindowsDefender.
Here’s how 👉 https://t.co/X7zcIvZsXR 👈
✅ Like if this helped. #DellTechnologies
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