Hacking Computer security 40 Security measures 33 Computer networks 29 Penetration testing (Computer security) 29 Computer crimes 6 Kali Linux 5 Hackers 4 Internet 4 Investigation 4 Certification 2 Cloud computing 2 Data processing 2 Electronic data processing personnel 2 Examinations 2 Linux 2 Prevention 2 Python (Computer program language) 2 Social aspects 2 Web sites 2 hacktivism 2 Anonymous 1 Austria 1 Brain drain 1 Business enterprises 1 COVID-19 (Disease) 1 Chaos Club 1 Computer literacy 1 Computer programmers 1 Computer science 1