ShutDown delivers authorized Layer 4 & Layer 7 resilience testing and pentest-style load checks so teams can validate defenses with realistic, controlled traffic.

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Best paid & free security testing

Powerful Security testing

World-class authorized security testing for 2026

ShutDown delivers authorized Layer 4 & Layer 7 resilience testing and pentest-style load checks so teams can validate defenses with realistic, controlled traffic.

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Looking for an authorized security testing service?

If you landed here, you found a testing console built to run controlled security tests across Layer 7, Layer 4, UDP, TCP, ICMP, HTTP/2, and HTTP/1.

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Best technology available on the market

High-bandwidth servers let you run authorized load and security testing with no delays, an instant task queue, and full control over every run.

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Interested to see what we have to offer?

Register today and you can try out our services for free!

ShutDown security testing platform
10+
Years of Experience
About Our Company

ShutDown is a leading security testing and pentest platform in 2026

ShutDown was created in early 2018 under a different name, offering reliable, professional security testing at an affordable price. Our business model is built around customers, and we work every day to keep services dependable.

Our Mission

Our large testing capacity keeps your security runs stable and reliable. Subscribing means predictable performance when you validate infrastructure.

Our Vision

We offer one of the most capable, user-friendly security testing dashboards on the market—built for fast setup, clear metrics, and repeatable pentest workflows.

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ShutDown free security testing tier
Best paid & free security testing

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Some Top Feutures

Choosing the right security testing partner matters—here is what sets ShutDown apart

Security Services

No logs kept, All data is encrypted, everything is coded with privacy protection in mind Your privacy is safe with us.

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24/7 Techical Support

Our advanced Support Team replies with in 24 hours at all regions, Your time has the highest value if you need any help contact us.

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Advaced methods

Latest Bypass Methods we can bypass any firewall."CDN" "CDNFLY" "Cloudflare""Amazon" "Microsoft" "Hetzner" "Google" "Contabo" "NFO"And more!

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Automatic System

Our testing platform is custom-built by experienced engineers—registration and billing are automated, and we do not share logs with third parties.

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Up Time

We provide 99% high uptime we make sure everything is always working we compensate any downtime.

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Real Attack Power

Latest technology and high-capacity networks power the platform. We guarantee* that your authorized security test traffic is delivered at least 99% of the requested rate,

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Global Network

Simulate high-traffic With ShutDown

We offer powerful servers with high bandwidth to generate controlled security tests for your servers and sites. Runs start instantly, outcomes are predictable, and you configure duration in seconds or minutes.

ShutDown security testing platform
250k+ Register Users
Why Choose ShutDown

Professional Load Testing Platform

Our service is intended for companies and enterprises who want to test their servers or websites, or for system administrators. It helps uncover weak zones, shows how properties stand up to high-load resilience scenarios, and supports authorized load testing of your own or customer-approved assets using diverse protocols.

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Scalable Options

For businesses or advanced users who need deeper security testing capacity, ShutDown offers premium packages with more resources and customization.

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Customized Solutions

Unlock the testing hub with tunable settings. Exercise defenses against hardened targets, including those with custom WAF or filtering rules, through an interface built for operators.

Our Achievement

Leading security testing services for 2026

45+

Powerfull Methods

400M RPS

Network Capacity

900+ Gigs

L4 Network Capacity

700+

Active Customers
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Costumers Feedback

What clients say about our security testing

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Vladimir

VIP

ShutDown.st has fair priced plans and works very well, the website is amazing and I have not found any major issues with ShutDown over the past year of using it! Would definitely recommend trying them out, even the free security testing tier is solid.

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Premium

Reliable security testing with great uptime. The free plan is a good way to try the service before upgrading.

Thomas

Destroyer

ShutDown is the #1 security testing platform we have tried—it is absolutely worth buying for serious teams.

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Enterprise

ShutDown delivers real power with over 900 Gbit/s capacity. Professional resilience testing tools and excellent support. Recommended for serious security programs.

Kim

Costum

"Outstanding expertise in load testing. The detailed reports helped us understand our system limits and plan capacity accordingly,Worth every penny.

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Premium

"Fast and effective! Best security testing stack we have used for audits and pentests."

Pricing Plan

Affordable, stable security testing plans—start today

Free Package

Try our free tier with strong, instant authorized test traffic for your security workflows.

$0,00/month
Get Started
  • 1 Concurent Attack
  • 300 seconds max boot time
  • Free Access
  • 10 security test sessions per day
  • Subnet mask (16/32)
  • Api Access & Resseler
  • Developer & AI Bypass Access
  • Preotise Support
Popular

Destroyer Package

Growing teams that need higher limits, concurrency, and priority support for security testing programs.

$170,00/month
Get Started
  • 2 Concurent Attack
  • 1200 seconds max boot time
  • Premium Access
  • Unlimited security test sessions per day
  • Subnet mask (16/32)
  • Api Access & Resseler
  • Developer & AI Bypass Access
  • Preotise Support

Vip Package

Just getting started? This plan is perfect for newcomers.

$40,00/month
Get Started
  • 1 Concurent Attack
  • 500 seconds max boot time
  • Premium Access
  • 200 security test sessions per day
  • Subnet mask (16/32)
  • Api Access & Resseler
  • Developer & AI Bypass Access
  • Preotise Support
General Asked Questions

Professional security testing tools for networks and servers

ShutDown free security testing tier

There are many websites that claim to be the best testing platform and promise unrealistic results. ShutDown.st takes pride in serving the community for over 10 years with honest, reliable solutions without misleading titles.

We do only accept cryptocurrencies in ShutDown,The Cryptocurrencies we curent support are: Bitcoin(BTC) | Ethereum(ETH) | Litecoin(LTC) | Monero(XMR) | USDT(TRC20) | USDT(ERC20). Our payment system is fully automatic ensuring every user gets the desired package at the first confirmation on the blockchain, usually within 5-10 minutes. For privacy and security we only accept crypto currency

We use spoofed IP's from range 1.0.0.0 - 255.255.255.255[Excluding private ips like: 127.0.0.1], ports 0 - 44405, IP Protocols UDP, TCP, ICMP, SYN,PSH,ACK,URG,FIN.

Based on our terms and conditions, you can not share your account, share your API or sell your account to anyone else. If the system detects such an account, it will auto-ban the account and you will lose access to your membership.

We do not allow testing government, bank, or educational properties without verified authorization. If you own one of those assets, contact us with proof of ownership and written permission to run an authorized security test, or to review blacklist status. Violations may result in account closure without refund.

New & Blog

Security testing insights from our blog

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