# What free checks can I run today?

Export the top outbound destinations from your firewall or DNS server and look at the rare ones; review successful sign-ins outside business hours; count how many internal hosts each workstation contacts on SMB, RDP, SSH and WinRM ports; and compare each server's outbound volume with its own average.

FAQ: [Have I been hacked?](https://netsenx.com/en/faq/signs) · https://netsenx.com/en/faq/what-free-checks-can-i-run-today

## Read next

- https://netsenx.com/en/is-someone-inside-your-network
- https://netsenx.com/en/detect-lateral-movement-c2-beaconing

## Related questions

- [Does NetSenX replace antivirus or EDR?](https://netsenx.com/en/faq/does-netsenx-replace-antivirus-or-edr)
- [Can my small business be hacked without me knowing?](https://netsenx.com/en/faq/can-my-small-business-be-hacked-without-me-knowing)
- [If one device on our network is hacked, are the others at risk?](https://netsenx.com/en/faq/if-one-device-is-hacked-are-the-others-at-risk)
- [Is slow internet a sign that we have been hacked?](https://netsenx.com/en/faq/is-slow-internet-a-sign-of-a-hack)
- [Our antivirus switched itself off. Is that a sign of compromise?](https://netsenx.com/en/faq/antivirus-turned-off-by-itself)