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Protect Every Endpoint
In Your Business

From detecting attacks to protecting every subscriber from that attacker in minutes.

Attack Detection and Incident Response

Our incident response team detects and responds within minutes of a single cyber-attack, protecting all subscribers.


Each subscriber site reports attacks to our team of experts, who research the IP in real-time.


The IP is blocked at the subscriber's site after three attacks automatically. Meanwhile, our experts lookup the CIDR and Abuse Databases.
Incident Response

Update & Test

Verified addresses are added to the Master Blocklist, after they have passed our verification process.

Firewall Rules Update

Every subscriber adds the new Rule to their firewalls on the next auto-update every hour.

Tracing and Research

Cyberattacks always come on specific IP Addresses and CIDRs. While there are many IPs on the Internet, many cyber-criminals use the same CIDRs over and over again.

Below is a Live Map of cyberattacks in real-time.
Our subscribers are blocking over 90% of these attacks.

Trace to Source

Trace to Source

Each attack is traced to the source IP address while the attack is still ongoing.

Abuse Research

Abuse Research

Our tools cross-match the IP to multiple abuse reporting databases.

Timely Processing

Timely Processing

Within minutes, the IP and / or CIDR is added, then syndicated to all subscribers.

The Master Blocklist

Our Master Blocklist is the culmination of years of work from thousands of sources around the world. Combining databases from abuse reporting websites, Government sources and cyber-attacks on our own clients, we've created one of the most comprehensive lists of IP addresses and CIDRs used by C2 Commanders, Bot-Nets, Spammers, Hackers and Malware / Ransomware servers.

Most blocked IPs are compromised web hosting servers, not people. We take great care in our IP blocks, and provide unblock request pages for all websites that have Hacker Blocker Hosting.

24/7 Detection and Blocking

Protecting Web Servers in Real-Time

Each of our clients have detection and reporting software for common attacks such as SQL Injections, WP-Admin Logins, DDoS attacks, Session attacks and much more. After 3 attacks, the IP is blocked on the local server.

People Behind The Keyboard

Dedicated Staff of Hacker Blocker

Every attack is reported to our staff in real-time, allowing them to research them for abuse and traced to the source. If the IP or CIDR meets the criteria, it is added to the Master Blocklist immediately.

Automated Distribution

For Windows and Linux Servers

Hacker Blocker downloads the Master Blocklist to the native Windows firewall Rules or updates Linux CSF via sFTP every hour. When one client is attacked, all clients are protected within minutes.

Abuse Database Sources

Crowdsourcing Cyber-Attack Reports

Sites like allow people to report cyber-attacks in detail, including type of attack and IP address. This is one of the many tools we use for research, and to find the most egregious attackers before they attack us.

Patterns in the Chaos

How Hackers Make Us Think It's Hopeless

With only 4.6 billion IP addresses in the world, hackers don't have unlimited resources to use, although it may seem hopeless during a DDoS attack. We're blocking 90% of their hacker networks, representing 20% of the Internet.

Government Partnerships

Working With Government Agencies

By working with government agencies, Hacker Blocker keeps up with the latest alerts and reported IP addresses of cyber threats before they attack our clients. RaaS & malware servers are researched and added routinely.

Firewall Updates

The core of the Hacker Blocker solution is the automated distribution of the Master Blocklist.

Windows - Hacker Blocker for Windows Server or PC updates the native Windows Firewall Rules every hour.
Linux - Automated sFTP updates to the firewall's csf.deny file every hour.

Simple, flexible pricing.

Choose either Windows Server or PC versions and buy online now. Custom volume licensing is available, contact us to speak to a license specialist.

Windows PC


Per PC / per month

  • Single User License
  • Works on Windows 10, 11
    PCs and Laptops
  • Single Activation
    Multiple Device Licensing Options
  • 24/7 Firewall Updates
  • Phone and Email Support

Windows Server


Per user / per month

  • Min 25 User - $199 per month
  • Volume Licensing Options
    For Enterprise & Datacenter Editions
  • Multiple Activations
    Transferable License
  • 24/7 Firewall Updates
  • Phone and Email Support

Want to Speak to a Cybersecurity Specialist?

Call our offices or email us to schedule a call. (617) 819-5877

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