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A read-only guard dog for your network

Know what your apps do online.

Every program on your computer that goes online, who it talks to, and a plain-words note when something looks off. Nothing is blocked. Nothing leaves your computer.

Download See the difference
Worth a look

updater.exe is talking to a server nobody recognises. It isn't signed and runs from your Downloads folder.

See the difference

Same five connections. One makes sense.

What Windows shows you
TCP 192.168.1.20:52144 104.18.1.181:443 6548
TCP 192.168.1.20:52187 162.159.134.234:443 6260
TCP 192.168.1.20:52201 20.42.65.92:443 3736
TCP 192.168.1.20:52233 185.62.190.11:443 11240
TCP 192.168.1.20:52240 142.250.74.110:443 21624
What Defendingo shows you
G
game.exeRSPS.io, through Cloudflare
Looks normal
D
DiscordDiscord voice
Looks normal
W
Windows UpdateMicrosoft
Looks normal
U
updater.exeUnknown rented server
Worth a look
F
Firefoxgoogle.com
Looks normal
Run with Defendingo

Not sure about a program? Watch it.

Right-click it and choose Run with Defendingo. You see everything that one program does online, including any helpers it starts, and a short summary when it closes.

How watching works

Trust

Defendingo never

  • blocks your apps.
  • uploads your history.
  • tracks you.
  • shows you ads.
  • needs an account.

It only watches. That's the whole job.

  • Signed updates. Every update is signed with a key that never touches our server, so a hacked website can't push anything to you.
  • Your history stays home. Kept for 90 days, only on your computer.
  • Honest about itself. Not code-signed yet, and we show you how to check your copy.
  • No scripts here. This website doesn't run any code in your browser.

How we keep you safe

Give your computer a guard dog

Set up in a minute. Available for Windows now; Mac and Linux are planned.

Download