--- title: Research and Insights | Sandro Ackermann description: Sandro combines passion with expertise. He lives and breathes IT security, and checks customer systems for vulnerabilities. Thanks to his varied work in different roles, combined with the successful completion of the CAS Cyber Security, he knows how to effectively uncover the weaknesses of systems and develop targeted security strategies. --- [![avantguard](https://avantguard.io/hs-fs/hubfs/LogoInverted.png?width=254&height=120&name=LogoInverted.png "avantguard")](https://avantguard.io?hsLang=en) - [Services](https://avantguard.io/en/services) - [About Us](https://avantguard.io/en/über-uns) - [Experience](https://avantguard.io/en/erfahrung) - [Career](https://avantguard.io/de/karriere) - [Research](https://avantguard.io/en/blog) - [Contact](https://avantguard.io/en/kontakt) En [![avantguard](https://avantguard.io/hs-fs/hubfs/LogoInverted.png?width=144&height=65&name=LogoInverted.png "avantguard")](https://avantguard.io?hsLang=en) [![Dark-logo-small-1](https://www.fthemes.net/hubfs/Dark-logo-small-1.png "Dark-logo-small-1")](https://avantguard.io?hsLang=en) - [Services](https://avantguard.io/en/services) - [About Us](https://avantguard.io/en/über-uns) - [Experience](https://avantguard.io/en/erfahrung) - [Career](https://avantguard.io/de/karriere) - [Research](https://avantguard.io/en/blog) - [Contact](https://avantguard.io/en/kontakt) En [![avantguard](https://avantguard.io/hs-fs/hubfs/LogoInverted.png?width=144&height=65&name=LogoInverted.png "avantguard")](https://avantguard.io?hsLang=en) - [Services](https://avantguard.io/en/services) - [About Us](https://avantguard.io/en/über-uns) - [Experience](https://avantguard.io/en/erfahrung) - [Career](https://avantguard.io/de/karriere) - [Research](https://avantguard.io/en/blog) - [Contact](https://avantguard.io/en/kontakt) Current language: English Filter by tag All Offensive Red Team Research Covenant Bypass AI Cleartext Credentials Defensive News AD CS Active Directory Conti HTB Keepass PingCastle PowerShell Pro Labs Ransomware Review Shares Snaffler ![](https://avantguard.io/hubfs/AboutUs/C72342A83.jpeg) ### Sandro Ackermann Sandro combines passion with expertise. He lives and breathes IT security, and checks customer systems for vulnerabilities. Thanks to his varied work in different roles, combined with the successful completion of the CAS Cyber Security, he knows how to effectively uncover the weaknesses of systems and develop targeted security strategies. [![The Blind Spot Of 802.1X Network Access Control (NAC)](https://avantguard.io/hs-fs/hubfs/Blog/SpectrePi/spectrepi-banner.png?width=400&upsize=true&name=spectrepi-banner.png)](https://avantguard.io/en/blog/die-blinde-stelle-von-802.1x-network-access-control-nac) [Bypass](https://avantguard.io/en/blog/tag/bypass) [Research](https://avantguard.io/en/blog/tag/research) [Defensive](https://avantguard.io/en/blog/tag/defensive) ##### [The Blind Spot Of 802.1X Network Access Control (NAC)](https://avantguard.io/en/blog/die-blinde-stelle-von-802.1x-network-access-control-nac) A network device in the reception area, a camera outdoors, a docking station at a shared workplace:... 19 minute read [Sandro Ackermann](https://avantguard.io/en/blog/author/sandro-ackermann) 28 August 2026 [Read More](https://avantguard.io/en/blog/die-blinde-stelle-von-802.1x-network-access-control-nac) [![Experience Report: AI-Assisted BOF Development in Red Teaming](https://avantguard.io/hs-fs/hubfs/image-3-png.png?width=400&upsize=true&name=image-3-png.png)](https://avantguard.io/en/blog/erfahrungsbericht-ki-gestützte-bof-entwicklung-im-red-team) [Offensive](https://avantguard.io/en/blog/tag/offensive) [AI](https://avantguard.io/en/blog/tag/ai) ##### [Experience Report: AI-Assisted BOF Development in Red Teaming](https://avantguard.io/en/blog/erfahrungsbericht-ki-gestützte-bof-entwicklung-im-red-team) Over the past few days, I have been exploring how a current credential dumping tool like KslKatz... 7 minute read [Sandro Ackermann](https://avantguard.io/en/blog/author/sandro-ackermann) 8 April 2026 [Read More](https://avantguard.io/en/blog/erfahrungsbericht-ki-gestützte-bof-entwicklung-im-red-team) [![Threadless Ops II – Enhanced Evasion](https://avantguard.io/hs-fs/hubfs/Blog/threadless2/new_plan.png?width=400&upsize=true&name=new_plan.png)](https://avantguard.io/en/blog/threadless-ops-ii-enhanced-evasion) [Offensive](https://avantguard.io/en/blog/tag/offensive) [Research](https://avantguard.io/en/blog/tag/research) [Red Team](https://avantguard.io/en/blog/tag/red-team) ##### [Threadless Ops II – Enhanced Evasion](https://avantguard.io/en/blog/threadless-ops-ii-enhanced-evasion) The process injection technique via threadless injection that we discussed in our [first blog post](https://avantguard.io/blog/threadless-ops?hsLang=en)... 17 minute read [Sandro Ackermann](https://avantguard.io/en/blog/author/sandro-ackermann) 27 February 2026 [Read More](https://avantguard.io/en/blog/threadless-ops-ii-enhanced-evasion) [![Threadless Ops - Enhanced Shellcoding for Threadless Injections](https://avantguard.io/hs-fs/hubfs/Overview_Plan.png?width=400&upsize=true&name=Overview_Plan.png)](https://avantguard.io/en/blog/threadless-ops) [Offensive](https://avantguard.io/en/blog/tag/offensive) [Research](https://avantguard.io/en/blog/tag/research) [Red Team](https://avantguard.io/en/blog/tag/red-team) ##### [Threadless Ops - Enhanced Shellcoding for Threadless Injections](https://avantguard.io/en/blog/threadless-ops) Process Injection is essential in red teaming and serves various strategic objectives, enabling... 39 minute read [Sandro Ackermann](https://avantguard.io/en/blog/author/sandro-ackermann) 17 April 2025 [Read More](https://avantguard.io/en/blog/threadless-ops) ##### Menu - [Home](https://avantguard.io/en/homepage) - [Services](https://avantguard.io/en/services) - [About Us](https://avantguard.io/en/über-uns) - [Experience](https://avantguard.io/en/erfahrung) - [Research](https://avantguard.io/en/blog) - [Contact](https://avantguard.io/en/kontakt) ##### Services - [Basic Health Check](https://avantguard.io/en/basic_health_check) - [Penetration Testing](https://avantguard.io/en/penetration-test) - [Red Teaming](https://avantguard.io/en/red-teaming) - [AD Security Improvement](https://avantguard.io/en/ad_improvement) - [HIST](https://avantguard.io/en/hist) - [Other](https://avantguard.io/en/services) ##### Research - [Cleartext Credentials](https://avantguard.io/en/blog/plaintext-credentials) - [Overload Mapping](https://avantguard.io/blog/overload-mapping-vs.-memory-scanner) - [Ransomware](https://avantguard.io/en/blog/what-really-helps-against-ransomware) - [Red Teaming](https://avantguard.io/en/blog/red-teaming) - [KeePass](https://avantguard.io/en/blog/attacking-and-hardening-keepass) - [PowerShell Logging](https://avantguard.io/en/blog/powershell-enhanced-logging-capabilities-bypass) - [AD CS](https://avantguard.io/en/blog/active-directory-certificate-services) © 2026 avantguard cyber security AG ##### avantguard cyber security AG Neue Jonastrasse 52 8640 Rapperswil-Jona Switzerland +41 55 253 30 30 [info@avantguard.io](mailto:info@avantguard.io) ![flagge\_schweiz](https://avantguard.io/hs-fs/hubfs/flagge_schweiz.png?width=40&height=40&name=flagge_schweiz.png) [Privacy Statement](https://avantguard.io/en/datenschutzerkl%C3%A4rung?hsLang=en) [Follow us on LinkedIn](https://ch.linkedin.com/company/avantguard-cyber-security-ag) [Follow us on Twitter](https://twitter.com/avantguard_io) ![](https://f.hubspotusercontent00.net/hubfs/7712601/back-to-top.png)