Sascha Brendel
Geschäftsführer, IT-Sicherheitsberater & Penetrationtester
Greater Flensburg Area Germany
Summary
👤
Senior🎓
Top SchoolSascha Brendel is a seasoned IT-security consultant, penetration tester and co-founder who has spent 11 years securing systems across Europe and now leads Lednerb IT-Security GmbH. He combines formal training in IT security from Ruhr-Universität Bochum with practical credentials like OSCP and hands-on Red Team experience through Synack. Sascha blends offensive security assessments (external/internal pentests, managed scans) with pragmatic engineering, having contributed full-stack and localization improvements to notable open-source projects such as Froxlor and qTox. He regularly discloses vulnerabilities, speaks at industry events, and builds usable tooling—evidenced by his SIWECOS scanner work and Hugo theme enhancements. Based in the Greater Flensburg area, he prioritizes meaningful, client-aligned outcomes and continuously expands his skillset. A detail that often goes unnoticed: alongside high-impact security work he invests in UX and internationalization, improving real-world adoption for open-source projects.
11 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BS, IT-Sicherheit / Informationstechnik, Bachelor of Science - BS, IT-Sicherheit / Informationstechnik at Ruhr-Universität Bochum
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
hugo-theme10
hugo10
javascript10
c-language10
qt10
translation10
css10
configuration-management10
php10
localization10
f10
vue10
html10
cprogramming-language10
algolia9
Programming languages (15)
Github contributions (5)
Lednerb/bilberry-hugo-theme
Oct 2017 - Apr 2022
Premium theme for the hugo site builder. DEMO:
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:26 releases, 17 reviews, 367 commits in 4 years 6 months
Contributions summary:Sascha implemented features including a top navigation bar and the preparation for an algolia search integration. The user also improved the recent posts section and added the ability to display full content in single pages. Furthermore, the user made styling and code improvements by enhancing the theme CSS file.
site-builderhugohugo-sitebuildercontact-form
blinkfox/typora-vue-theme
Mar 2020 - Mar 2020
This is a typora theme inspired by Vue document style. 一个类似于 Vue 文档风格的 Typora Markdown 编辑器主题。
Role in this project:Front-end Developer
Front-end DeveloperContributions:15 commits, 5 PRs, 2 comments in 2 days
Contributions summary:Sascha primarily contributed to the styling and visual aspects of the Typora theme. They made several changes to CSS files, `vue-dark.css` and `vue.css`, to fix bugs related to font colors, table scrollbars, context menus, and list indents. Their work involved refactoring font handling and making adjustments to the settings menu, which significantly improved the overall user interface and experience.
typora-themevuetyporamarkdowntypora-themes
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