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The Complete Guide to Phishing Defense

TechNet Team
January 15, 2024
8 min read
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Phishing remains the most common attack vector, responsible for over 90% of data breaches. These attacks trick users into revealing sensitive information, clicking malicious links, or downloading malware.

Common Types of Phishing

  • Email Phishing: Mass emails impersonating trusted brands or contacts
  • Spear Phishing: Targeted attacks using personal information about the victim
  • Whaling: Attacks specifically targeting executives and decision-makers
  • Smishing: Phishing via SMS text messages
  • Vishing: Voice phishing through phone calls

Red Flags to Watch For

  • Urgent or threatening language demanding immediate action
  • Sender email addresses that don't match the claimed organization
  • Generic greetings instead of your name
  • Requests for sensitive information via email
  • Suspicious links (hover to check before clicking)
  • Unexpected attachments, especially .exe, .zip, or macro-enabled documents

Organizational Defenses

Beyond user awareness, organizations should implement:

  • Email filtering and threat protection
  • Multi-factor authentication on all accounts
  • Regular security awareness training
  • Simulated phishing exercises
  • Clear reporting procedures for suspicious emails

What to Do If You Suspect Phishing

  1. Don't click any links or download attachments
  2. Report the email to your IT department immediately
  3. If you clicked a link, disconnect from the network and report it
  4. If you entered credentials, change your password immediately
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