The Complete Cyber Security Course : Anonymous Browsing!

Explore the goals of volume three: achieving online anonymity, privacy, and bypassing sensors and censorship through OPSEC, VPNs, proxies, SSH, Tor, and port forwarding techniques with practical guidance.

Learn operational security (opsec) practices to maintain security and anonymity and avoid human errors against well-resourced adversaries, including nation-states.

Master OPSEC by understanding privacy, anonymity, and pseudonymity, and adopt disciplined habits to prevent attribution, avoid basic OPSEC failures, and protect against well-resourced adversaries.

Explore six identity strategies—open, avoidance, audience, content, compartmentalisation, and custom—to manage privacy, anonymity, and pseudo anonymity online. Assess risks of mixing personal and professional identities and using domains and VPNs.

Establish robust opsec for maximum anonymity by creating separate security domains, isolating identities, and compartmentalizing through believable aliases with anonymizing services.

Identify cross contamination between identities and enforce compartmentalization to reduce exposure; search for contamination using anonymizing services and consider data deletion or new identities.

Apply the ten opsec rules to maintain anonymous browsing, emphasizing zero trust, identity isolation, minimal information, and encrypted communications.

Learn how stylometry analyzes writing style to attribute authorship and explore evasion tools like JSAN, Stylo, and nanomounth, with mitigations such as aliases and leetspeak.

Plan for the knock with OPSEC defenses, data safeguards, and prearranged signals. Know your rights and prepare for interrogation with counter-interrogation strategies and trusted legal contacts.

Explore case studies of opsec failures that reveal how real IPs, correlation attacks, and identity contamination erode privacy and anonymity, even with Tor and VPN usage.

Identify live operating systems and understand what they are. Learn which options are the best and how they can benefit your security, privacy, and anonymity.

Boot a live operating system from external media to create an isolated security domain and support anonymity; compare persistent and non-persistent modes and learn to make bootable USBs or discs.

Examines live operating systems for secure, portable use, including Windows live CD and Windows To Go, Tiny Core Linux, Poppy Linux, and Knoppix, with Tor, Iceweasel, and VPN options.

Explore Tails, a live operating system for security, privacy, and anonymity, and its use with Tor, encryption tools, and virtualization risks and limitations.

Walk through tails features: download and verify signatures, boot with Tor-only traffic, use PGP for encryption and signing, manage keys, and access tools like NoScript Tor browser and encrypted email.

Acquire understanding of VPN use for security and privacy, including protocols, encryption, weaknesses, and mitigation. Set up VPN clients on Windows, macOS, Linux, and deploy a private OpenVPN server.

Learn how vpn clients and servers create encrypted tunnels to a vpn exit node, providing user anonymity from isp and enabling geo-unblocking, with end-to-end encryption not guaranteed.

OpenVPN is the preferred VPN protocol whenever possible, offering strong algorithms and perfect forward secrecy. If necessary, use L2TP with IPsec, but avoid PPTP except as a last resort.

Investigate vpn weaknesses, including slower speed from extra hops, limited anonymity against nation-states, traffic confirmation risks, and web page fingerprinting, underscoring the need for defense in depth.

Evaluate the trustworthiness of VPN providers by examining logs, data retention laws, and jurisdiction. Mitigate risk with distributed trust, warrant canaries, and nested VPN approaches.

Explore how DNS queries reveal activity, and how VPN hides them. Understand DNS poisoning and transparent proxies, and how DNS crypt and DNSSEC mitigate these risks.

Learn to set up an OpenVPN client on Windows, Mac, iPhone, and Android using provider config files, import them, and connect, with notes on kill switches and leak protection.

Set up an OpenVPN client on Linux using Debian as an example, install OpenVPN, import config files with Network Manager, and manage certificates and keys.

Learn to prevent VPN leaks by disabling IPv6, enabling DNS leak protection and a kill switch, and using host-based firewalls to block leaks when the VPN drops.

Select a VPN by defining the threat you aim to protect against. Apply a zero trust approach and require no logs, OpenVPN, anonymous payments, kill switch, and DNS leak protections.

Set up a ready-made OpenVPN appliance from TurnKey Linux to deploy quickly on cloud or a local device. Configure firewall rules and a client configuration for secure remote access.

Learn how to set up a Debian OpenVPN client, extract and import certificates from a downloaded .ovpn file, configure tls-auth, and connect to a turnkey Linux VPN server.

Set up an OpenVPN server for a home VPN using a Raspberry Pi with Debian Lite or a router with DD-WRT or pfSense, configuring certificates, keys, ports, and encryption options.

Understand the anonymising service and darknet known as Tor and identify its weaknesses. Apply mitigation strategies to improve your anonymity and security when using Tor.

Explore Tor, an open source anonymizing proxy network that routes traffic through relays via onion routing, with separate encryption keys for each hop to protect privacy.

Explore how the Tor network and Tor browser enable anonymous browsing, including new identity versus new circuit concepts, privacy settings, and verification of Tor browser signatures.

Tor anonymizes the browser's connection to websites, protects browsing from ISP visibility, and helps evade censorship, but it does not shield other apps, logins reveal identity, or stop all vulnerabilities.

Explore how directory authorities and relay nodes form the Tor consensus, detailing guard, middle, and exit relays, their roles, and the privacy risks and considerations of running a relay.

Learn how Tor bridges act as unpublished relays to bypass censorship when toll relays are blocked, and how to obtain and configure them in the Tor browser.

Discover how tor pluggable transports obfuscate traffic to bypass firewalls and deep packet inspection, using bridges and relays on allowed ports such as 80 and 443.

Configure tor using the torrc file to set entry and exit nodes, relays, socks and control ports, and learn from sample configurations on Windows, macOS, and Linux.

Configure non-browser apps to route through Tor via socks proxies, while preventing leaks and dns exposure. Explore Privoxy, proxy chains, and firewall rules for safer anonymous browsing.

Explore Tor weaknesses, de-anonymization risks by nation-states, and mitigations through browser isolation, non-persistence vs persistence, and defenses against traffic confirmation and correlation attacks.

Examine tor weaknesses, including website traffic fingerprinting, traffic analysis, and exit node eavesdropping, and explore mitigations, DNS leaks, and the limits of tor’s anonymity.

Mitigate Tor risk with strict opsec, isolation, and non-persistent browsing using tails, hardened virtual machines, encryption, and minimal extensions.

Discover how the NSA targets Tor users by exploiting Firefox vulnerabilities in the Tor browser bundle, using fingerprints and man-in-the-middle attacks, with defense tips on isolation and browser hardening.

Discover hidden services on the Tor darknet, hosting web services via Tor circuits with onion addresses, private keys, and hostname files, while hardening to prevent IP leaks.

Explore how Tor hidden services operate without a central index and how popular sources like Pastebin, Twitter, and Reddit help locate them, while noting safety and privacy considerations.

Explore tor-enabled mobile apps such as orbit, onion browser, tor messenger, and Catulus VPN adapter, highlighting beta status, safety caveats, and network tunneling through Tor or I2P.

Explore how virtual and hardware routers and gateways improve security, privacy, and anonymity when using Tor and VPN.

Explore configuring a VPN and Tor on a router or gateway so all traffic runs through an encrypted tunnel, and evaluate privacy, security, and anonymity trade-offs.

Configure a router with custom firmware to run a VPN and Tor, either for the whole network or selected devices, using OpenVPN, Tor, SOCKS proxies, or pfSense as firewall gateway.

Off-the-shelf VPN and Tor routers route traffic through a VPN or Tor tunnel via ethernet or wifi, with pluggable transports and bridges, and should be tested for leaks and reliability.

build your own tor router by flashing portal firmware on off-the-shelf devices with OpenWrt, featuring pluggable transports and a failsafe for drops.

Explore virtual gateways for Tor and vpn using Unix gateways and pfSense, and configure virtual machines to route traffic through Tor exit nodes via trans proxy.

Explore how proxies protect privacy by hiding your IP address, compare different proxy types, and learn what each type is suitable for.

Understand how proxies disguise your IP for web browsing and downloads, how per-application proxies differ from VPNs, and how HTTP, HTTPS, and SOCKS proxies operate.

Explore free proxies' anonymity levels—transparent, anonymous, and elite—and the risks of hacks, logging, and detection, plus how to test, chain, or bypass with encryption.

CGI proxies, or web form proxies, let you visit destinations anonymously by submitting a URL; they alter links and may encrypt traffic, but privacy risks remain.

Explore the extremely versatile S-sh protocol to achieve optimal security, privacy, and anonymity, covering local, remote, and dynamic port forwarding, authentication, and hardening.

Learn about secure shell ssh as an encrypted channel for private client–server communication and remote login, using ports like 22 and tools like PuTTY across Linux, Mac, and Windows.

Master remote port forwarding by tunneling from the ssh server to a local service, mapping a remote port to local 9999 and testing with firewall and sshd settings.

Learn SSH local port forwarding to access an admin port as a local port via an encrypted tunnel, for example local port 80 to port 6666, with external access blocked.

Set up an ssh socks5 proxy with dynamic ports to create a local encrypted tunnel to the ssh server for forwarding traffic securely.

Generate an RSA public/private key pair, copy the public key to the server's authorized_keys, enabling passwordless SSH logins and protecting the private key with a passphrase.

Hardening ssh by securing server and client configurations, enabling verbose logging and public key authentication, and disabling password logins while tuning key exchange, ciphers, and macs.

Explore the invisible internet project known as Eye to Pay, a darknet concept, and learn how to use ITP with optimal configuration to protect security and privacy.

Explore I2P, an overlay network for anonymous, secure peer-to-peer communication and access to hidden services. See how multi-hop encrypted tunnels and relay nodes anonymize traffic while balancing anonymity with performance.

Install I2P securely on Debian or in a VM, configure bridged networking and UDP ports, and route traffic through Tor with foxie proxy for improved privacy.

Allocate bandwidth to the I2P router to boost anonymity and adjust speed settings. Access built-in email, anonymous file transfer, and chat, and explore EAP sites via the wiki.

I2P presents a solid design for dark net and hidden services, supports peer-to-peer traffic and censorship bypass, yet remains a developing project with high entry barriers and latency.