
Suspicious attachment: messages with unexpected or unusual attachments can contain malware.Unexpected message: messages from recognized senders that are unrelated to normal communications or job responsibilities can signal an account has been compromised or is fake.The suspicious sender or reply-to address: always treat messages from unknown or unfamiliar senders or accounts with extra caution.Common “red flags” or indicators include: Phishing messages can range from very basic to highly sophisticated. No McMaster email address will ask for your credentials. DO NOT reply to phishing emails with confidential information such as login credentials.If possible, navigate to the website manually. Hackers can create fake yet identical login pages.


If you have not given permission to receive unwanted mail from a sender, you can also report them to the Canadian Radio-television and Telecommunications Commission. Learn about the legislation as well as how to protect yourself from spam and how to report it when necessary. You are protected against spam under Canada’s anti-spam legislation (CASL). If you receive mail from a sender you recognize and you cannot unsubscribe, you can BLOCK them and move the mail to your JUNK folder
