What is NetBIOS and SMB Exploitation Techniques: A Practical Guide
In this article, I cover key exploitation techniques, real-world attack scenarios, and how to secure these services effectively.
https://denizhalil.com/2026/01/15/netbios-smb-exploitation-techniques-guide/
#CyberSecurity #SMB #NetBIOS #NetworkSecurity #ActiveDirectory #RedTeam #BlueTeam #Pentesting #InfoSec #WindowsSecurity #EthicalHacking #ITSecurity #DenizHalil
A rough watch for any Windows admin: this demo goes from standard user to Domain Admin by chaining insecure AD permissions with an ESC1-style certificate template issue. The point is not flashy hacking; it is that these mistakes are still common in real environments.
How often are AD delegations and certificate templates actually reviewed?
https://www.youtube.com/watch?v=eFiHaEgXRlc
#CyberSecurity #ActiveDirectory #WindowsSecurity #InfoSec #ADCS #SysAdmin
https://winbuzzer.com/2026/04/09/windows-zero-day-published-on-github-after-msrc-silence-xcxwbn/
Windows Zero-Day Published on Github as Microsoft Fails to Act
#Microsoft #Windows #WindowsSecurity #Cybersecurity #ZeroDayVulnerabilities #Exploits #Vulnerability #VulnerabilityDisclosure #SecurityResearch #Windows11 #BigTech
What is DCSync Attack and Mimikatz Usage in Active Directory
One of the most critical attacks in Active Directory environments, DCSync, allows attackers to impersonate a Domain Controller and extract password hashes through replication abuse.
#CyberSecurity #ActiveDirectory #DCSync #RedTeam #BlueTeam #InfoSec #Pentesting #SOC #ThreatDetection #WindowsSecurity #EthicalHacking #ITSecurity #NetworkSecurity #SecurityOperations #DenizHalil
https://denizhalil.com/2026/03/27/dcsync-attack-active-directory-guide/
Learn how DCSync attacks exploit Active Directory replication to steal credentials, how adversaries use Mimikatz, and the best ways to detect and prevent DCSync attacks in 2025. Essential reading for cybersecurity professionals.
During my previous research, I identified a "Won't Fix" DoS vulnerability affecting the latest versions of Windows, including 25H2 and Server 2025.
One of Microsoft's [1] recent #Windows 11 updates improves Windows security via the extremely effective tactic of making the C: drive inaccessible.
https://learn.microsoft.com/en-us/windows/release-health/status-windows-11-25h2#3801msgdesc
[1] AKA #Microslop these days.
#security #WeveHeardOfIt #WindowsUpdate #WindowsUpdates #Windows11 #WindowsSecurity #oops #brick #quality #qwality #Microsoft
Andrew Armstrong
halil deniz
Michael J Burgess
Winbuzzer
OffSequence
CravateRouge
C.