Articles tagged "security"
Page 1 of 3
Bug Bounty Hunting for Beginners 2026: From Recon to Your First Valid Report
Bug bounty hunting tutorial for beginners 2026: choose a program, do recon with subfinder and httpx, find XSS and IDOR vulnerabilities, write a valid report. HackerOne and Bugcrowd step-by-step guide.
eBPF and Cilium Tutorial 2026: Zero-Overhead Kubernetes Networking, Hubble, and Tetragon
eBPF and Cilium tutorial 2026: install Cilium as Kubernetes CNI, replace kube-proxy, visualize network flows with Hubble, enforce NetworkPolicy, and add runtime security with Tetragon. Step-by-step kubectl commands.
nessuscli fetch --reset: Complete Command Reference (2026)
Complete nessuscli fetch command reference 2026. Run nessuscli fetch --reset to reset your Nessus license. Covers --check, --deactivate, --unregister flags, nessus.license path (/opt/nessus/var/nessus), and troubleshooting fetch errors on Ubuntu and Kali Linux.
Zero Trust Architecture for Developers 2026: mTLS, Short-Lived JWTs, Vault, and Network Policies
Zero Trust Architecture tutorial for developers 2026: implement mTLS between microservices with cert-manager, issue short-lived JWTs with HashiCorp Vault, enforce Kubernetes NetworkPolicy, and replace your VPN. Open-source tools only.
eBPF and Cilium Tutorial 2026: Kubernetes Networking and Security
Learn eBPF and Cilium in 2026 — the #1 Kubernetes networking trend. Install Cilium as your CNI, write network policies, use Hubble for observability, and replace kube-proxy with eBPF.
Linux File Permissions Explained 2026: chmod, chown, umask, SUID/SGID, and ACLs
Linux file permissions complete guide 2026: read/write/execute bits, chmod octal and symbolic, chown, umask, SUID/SGID security risks, sticky bit, and setfacl/getfacl for fine-grained ACLs.
Hashcat Advanced Tutorial: Masks, Rules, and GPU Optimization (2026)
Hashcat advanced tutorial 2026. Mask attacks, rules with OneRuleToRuleThemAll, hybrid wordlist+mask attacks, WPA2 cracking workflow, session management, and GPU optimization for maximum speed.
Nmap for Sysadmins: Network Scanning and Security Audit Guide (2026)
Nmap tutorial 2026 for sysadmins. Beyond nmap -sV: NSE scripts for TLS audit, CVE detection, EternalBlue check, network inventory, and ndiff for tracking infrastructure changes.
Podman Rootless Containers: Docker Without Root or Daemon (2026)
Podman rootless containers tutorial 2026. Run containers without root or Docker daemon on RHEL/Fedora/Ubuntu. Compatible with docker-compose.yml via Podman Compose. Quadlet for systemd production deployments.
WireGuard VPN on Linux: Complete Server and Client Setup (2026)
Set up WireGuard VPN on Linux in 10 minutes. Configure server, generate keys, add multiple clients, provision mobile via QR code, add pre-shared keys for post-quantum resistance.