Protect your inbox from phishing and other email attacks

This updated article (originally published May 11, 2017) emphasizes the importance of email security, even beyond the recent Biden administration warnings about potential Russian cyberattacks. While state-sponsored attacks are a concern, everyday phishing scams pose a significant threat.

The article uses a 2017 Google Docs phishing attack as a prime example, illustrating how easily malicious software can gain access through seemingly legitimate shared documents. This highlights the need for robust email security measures.

Combating Phishing Attacks

Your email provider (Gmail, Outlook, etc.) offers built-in security features, including spam filtering. Actively reporting spam helps improve these filters' effectiveness. Be cautious of unsolicited emails containing links, especially from unknown senders. Even emails from known contacts can be compromised. Always verify the sender's identity by checking the full email header (in Gmail, use "Show original"). Before clicking links or opening attachments, consider the context: Were you expecting this communication? Does it seem legitimate? If unsure, contact the sender directly via phone or text.

While hackers are becoming more sophisticated, poor spelling and unusual formatting are still red flags. Hover over links and attachments to preview them before clicking. When clicking links, verify the URL in your browser's address bar, looking for the secure padlock symbol. If a login page appears unexpectedly, open a new browser window and manually type the website address to avoid phishing sites. Browser extensions like Gmail Sender Icons and Google's Password Alert (for Chrome users) enhance security. Non-Chrome users should explore similar add-ons for their browsers and email clients.

Broadening Your Security Perimeter

Email security extends beyond your inbox. Keep your browser, operating system, and antivirus software updated. Antivirus programs often include features to block malicious attachments and links. Exercise caution on public Wi-Fi networks, as they are more vulnerable to attacks. Consider using a VPN to encrypt your data when using unsecured networks, especially when accessing sensitive information.

Regular Security Maintenance

Regularly review your email account's connected plugins and add-ons. In Gmail, navigate to your Google account's "Data & privacy" settings, then "Data from apps and services you use" to manage third-party app permissions. Remove any unfamiliar or unused apps. While many add-ons are safe, minimizing their number improves security.

Finally, stay informed about emerging threats by following tech news. While major companies address new threats quickly, proactive awareness is crucial.

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