Internet reports that according to official sources, hardware wallet manufacturer Trezor issued a security warning saying that it had found that attackers had abused its contact form to send phishing emails disguised as official support replies, inducing users to leak wallet backup information. Officials emphasize that Trezor will never ask for a backup of a user's wallet and that this information should always be offline and private. At present, the problem has been contained, but security is an ongoing process and users are called on to remain vigilant.