The term dark web often sparks curiosity and sometimes confusion. While it’s commonly associated with illegal activities, the dark web is actually a small part of the internet that isn’t indexed by traditional search engines. What makes it unique is how it’s accessed and what kind of content is found there.

 

But not all dark web spaces are the same. Some serve journalists and whistleblowers. Others are used for underground marketplaces, forums, or file sharing. And different darknets like Tor or I2P make up the infrastructure that powers them.

 

In this article, we will talk about the types of the dark web, along with the networks and technologies that make up the dark web, and the types of content and platforms that exist within it.

 

Surface web vs deep web vs dark web

 

Let’s find out how the dark web differs from the surface web and the deep web.

 

Layers	What it is
Surface web	Public websites indexed by search engines (e.g., news sites, blogs, Wikipedia)
Deep web	Content not indexed but still accessible (e.g., private databases, paywalls)
Dark web	A hidden part of the internet that operates on encrypted networks and requires specialized tools to access.

 

So while the deep web includes things like your private email inbox or bank account, the dark web is intentionally hidden. You can’t access it with Google Chrome or Safari alone. Instead, it requires special tools like Tor or I2P to reach.

 

Quick read: What is attack surface management? 

 

Types of dark web networks and what they host

 

There’s no single dark web. What people call the dark web is actually made up of multiple independent networks, called darknets. These networks allow anonymous communication and hosting of unindexed websites.

 

Here are the main types of darknets that power the dark web:

 

1. Tor (The Onion Router)

 

The most widely used darknet. Tor allows users to browse anonymously by routing traffic through multiple nodes, hiding both identity and location. Sites hosted on Tor often end in .onion.

 

• Common use cases: Anonymous browsing, hidden forums, whistleblower sites, dark marketplaces.

 

• Notable tools: Tor Browser, SecureDrop (for journalists).

 

2. I2P (Invisible Internet Project)

 

I2P focuses more on peer-to-peer communication and secure internal services rather than accessing the public web. It offers better support for encrypted messaging and file sharing.

 

• Common use cases: Anonymous email, messaging apps, decentralized file sharing.

 

• Site endings: .i2p.

 

3. Freenet

 

Freenet is built around the idea of censorship resistance. It stores encrypted chunks of data across a distributed network, making it difficult to censor or remove content.

 

• Common use cases: File publishing, political activism, community discussions.

 

• Accessed through its own application, not a regular browser.

 

4. ZeroNet

 

ZeroNet uses Bitcoin cryptography and BitTorrent-like technology to create decentralized websites. It’s still experimental and less popular than Tor or I2P.

 

• Common use cases: Static websites, blogs, P2P forums.

 

• Offers fast site loading and persistent hosting.

 

Also read: What is IT asset management? A complete guide

 

Types of content and services on the dark web

 

Now that we’ve covered how people access the dark web, let’s explore what you actually find there. These are the common categories of platforms and content hosted across darknets:

 

1. Marketplaces

 

These are platforms where goods and services are bought and sold, ranging from legal items like books to illegal ones like counterfeit documents or malware kits.

 

• Examples include Silk Road (now defunct), AlphaBay, and Versus Market.
• Most use cryptocurrency for transactions.
• Often operate with escrow services to protect buyers and sellers.

 

2. Hacking forums and cyber crime services

 

Certain areas of the dark web specialize in offering services like malware development, ransomware-as-a-service, or stolen credentials.

 

• Users may share or sell exploit kits, carding tools, and phishing kits.
• Access may be limited to members with reputations or verified credentials.

 

Quick read: Types of hackers you should be aware of

 

3. Information dumps and leak sites

 

Some platforms are designed for publishing sensitive or stolen information, often tied to data breaches, government leaks, or corporate espionage.

 

• Examples include RaidForums (now seized), DDoSecrets.
• These sites are often used by hacktivists or criminal groups.

 

4. Whistleblower platforms

 

Not all dark web content is illegal or malicious. Tools like SecureDrop allow whistleblowers to share documents with journalists safely and anonymously.

 

• Used by major news organizations like The Guardian, ProPublica, and The New York Times.
• Hosted on Tor for maximum anonymity.

 

5. Forums and communities

 

Some dark web users join forums focused on privacy, cryptography, politics, or niche interests. These spaces may be hidden, invite-only, or protected by layered authentication.

 

• Some forums are security-focused, while others drift toward illegal discussions.
• Content is often moderated to maintain community standards.

 

6. Search engines and directories

 

Because the dark web isn’t indexed like the surface web, users rely on directories like The Hidden Wiki or specialized search engines to discover sites.

 

• Example engines are Ahmia and NotEvil.
• Search functionality is limited and often outdated.

 

7. Cryptocurrency services and mixers

 

The dark web relies heavily on cryptocurrency for payments. To obscure transaction history, some users rely on mixers, services that blend coins to make them harder to trace.

 

• These services are frequently monitored or taken down by authorities.
• Some also offer escrow, coin swapping, or peer-to-peer exchange.

 

Quick read: A guide to network security protocols

 

 

Why people use the dark web

 

The reasons vary widely depending on the user and the platform. Here are some of the most common motivations:

 

• Privacy:  Users in repressive regimes or journalists may need safer communication channels.

 

• Censorship avoidance: Activists use darknets to share information without government filtering.

 

• Illegal activity: Includes drug sales, cyber crime, and fraud.

 

• Curiosity: Some people explore the dark web out of interest or to learn about online anonymity.

 

• Research: Security professionals often monitor dark web forums for early indicators of breaches or threats.

 

Takeaway: Know what’s out there even if you don’t visit

 

You don’t need to be a dark web user to understand its relevance. Security professionals, business leaders, and even compliance teams are increasingly aware that sensitive data, whether from a breach or insider mistake, can end up on a dark web leak site or forum.

 

By knowing the different networks and types of content that exist, organizations can better prepare for threats that often originate in places most people never see.

 

For organizations looking to manage online risks and stay ahead of compliance demands, using platforms like CyberArrow GRC can help.

 

With features like risk assessments, policy management, security awareness training, and automated reporting, CyberArrow helps streamline governance efforts and reduce manual workload.