Computer hardware, connection types, OS troubleshooting, productivity suites.
WiFi, Bluetooth, NFC, basic networking concepts.
Windows, Linux, macOS, installation, permissions, CLI & GUI.
File operations, common commands, system diagnostics.
OSI model, ports, protocols, subnetting, IP addressing.
HTTP/HTTPS, SSL/TLS, DNS, DHCP, FTP, SSH.
VMware, VirtualBox, hypervisors, VMs, snapshots.
ping, traceroute, nmap, netstat, tcpdump, wireshark.
CIA triad, zero trust, defense in depth, risk management.
MFA, authorization vs authentication, Kerberos, LDAP.
Phishing, DoS/DDoS, MITM, brute force, malware.
OWASP Top 10, SQLi, XSS, CSRF, directory traversal.
Firewalls, IDS/IPS, EDR, SIEM, SOAR.
OS hardening, patching, secure protocols, NAC.
Preparation, detection, containment, eradication, recovery.
Logs, memory dumps, OSINT, threat intelligence.
AWS, Azure, GCP, shared responsibility model.
IaaS, PaaS, SaaS, IAM, storage security.
Python, Bash, PowerShell, JavaScript basics.
TryHackMe, HackTheBox, VulnHub, CTF challenges.