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Check If Your Home Network Is Hacked

Originally published on: December 21, 2025
▼ Summary

– A new tool called IP Check from GreyNoise can alert you if your home IP address has been observed scanning the internet as part of a malicious botnet or proxy network.
– Compromised residential IP addresses often show no obvious signs to the user, allowing normal activity while threat actors route malicious exploits through the network.
– Using the tool is simple: open it in a browser to see if your IP is clean, flagged as a known business/VPN service, or identified as malicious.
– An IP flagged in the GreyNoise database is not necessarily compromised; it often indicates use of a VPN, corporate network, or cloud provider.
– If your IP is marked as malicious, the tool provides details on the scanning activity and actionable next steps for investigation.

Maintaining a secure home network is crucial, yet many people remain unaware when their connection has been compromised. Subtle signs like unexpected slowdowns or unusual data usage can be easy to miss. A new, straightforward tool called IP Check from GreyNoise offers a quick way to see if your internet address has been flagged for suspicious behavior, such as being part of a botnet or a proxy network used for malicious scans.

Often, when a residential IP address is hijacked, the user experiences no obvious disruption to normal activities like streaming video or checking email. Behind the scenes, however, cybercriminals may be routing harmful traffic through that connection. This exploitation can enable a range of attacks, from distributing malware to attempting to take over online accounts. The insidious nature of this threat makes proactive checking essential.

Using the IP Check tool is simple. You just visit the website in your browser, and it will analyze your public IP address. The results fall into a few clear categories. A clean result indicates your network has not been observed conducting suspicious internet scans and is not associated with known business service infrastructure.

Your address might also appear in the GreyNoise database without being malicious. This typically happens if you are using a VPN service, a corporate network, or a cloud hosting provider. The system is designed to differentiate between legitimate data center IPs and those being actively exploited. For Apple users, note that browsing with Safari’s Private Relay feature enabled will likely trigger a “Possible Spoofed Traffic Detected” message, which is generally not alarming. For a clearer result, try checking your real IP address using a different browser like Chrome or Firefox.

If the tool identifies your IP as malicious or suspicious, it’s a strong signal to begin a deeper investigation. The scanner provides an “Observed Activity” section with detailed information. Here, you can see timestamps for the first and last detected scanning activity, the specific types of behavior observed, and actionable next steps to help secure your network.

While advanced users can delve into device logs and analyze network traffic patterns for signs of intrusion, checking your IP address with a dedicated tool is the simplest and most accessible starting point. This initial check can provide critical early warning, allowing you to take steps to protect your personal data and connected devices before more significant damage occurs.

(Source: Lifehacker)

Topics

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