If your carrier data is giving you this error, try disconnecting from the mobile network and then reconnecting. If you cannot find any, use your carrier data instead (if possible).

If you are on a mobile phone, only use WiFi hotspots that you trust.

Your home internet provider should work just fine for the vast majority of cases. Use a reputable internet service provider that tries to prevent malicious activity on its network.

However, we may occasionally and temporarily limit the activity originating from a network or device based on recent detected behavior. Proton does not permanently reject service to any network. In some cases, you may also be denied access to services that have recently experienced large amounts of abuse from that particular network. Malicious actors try to hide their activity using:Īs a result, if you use one of these services, you will often be subject to more security checks, rate limits, and “Are you a human?” verification checks. The most common reason this happens is someone committed malicious activity on a large scale using the same network as you or using your network as a proxy. If you receive this error, it does not automatically mean that you personally committed any malicious activity. There are steps you can take if you need to access your inbox immediately, which are listed below. Your account will continue to receive messages like normal. In such cases, you may temporarily not be able to log in to your account. When we detect substantial suspicious activity originating from a particular network or individual, we may temporarily take action to mitigate the risk to the user. Proton’s security system defends our users from malicious actors seeking to gain unauthorized access to private data or compromise their accounts (new window).

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