André Lima
Red Team Lead at Telenor Cyberdefence
Oslo, Norway
Summary
👤
Senior🎓
Top SchoolAndré Lima is a Red Team Lead based in Oslo with 11 years of hands-on experience in offensive security, specializing in reverse engineering, Windows internals, exploit development and EDR bypasses. He has progressed from trainee and penetration tester roles to leading red team operations and teams at Telenor Cyberdefence, Advisense and PwC Norway, consistently blending technical research with operational engagement delivery. A regular speaker and blogger, André shares research at industry events like Vinterkonferansen 2026 and Sikkerhetsfestivalen 2025 and maintains a technical portfolio (0x4ndr3.github.io) that highlights his tooling and exploit work. Known for shipping custom malware and payloads for realistic assessments, he pairs deep low-level Windows expertise with pragmatic leadership in cyber operations. Collected academic training in computer science underpins a methodical approach to threat emulation and vulnerability discovery.
11 years of coding experience
3 years of employment as a software developer
Masters Mestrado em Engenharia Informática e de Computadores (Computer Science), Masters Mestrado em Engenharia Informática e de Computadores (Computer Science) at Instituto Superior de Engenharia de Lisboa
English, Portuguese
Github Skills (9)
pause5
resolver4
api4
nessus4
policies4
dmarc4
security3
dns3
ssh2
Programming languages (1)
Github contributions (5)
0x4ndr3/Presentations
Nov 2022 - Jan 2023
Contributions:28 commits, 48 pushes, 1 branch in 2 months
0x4ndr3/0x4ndr3.github.io
Dec 2023 - Nov 2024
Contributions:7 pushes, 2 branches in 11 months
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