What is phishing and how can organizations protect against it?

Phishing is a social engineering attack where cybercriminals impersonate legitimate entities to steal sensitive information like passwords, credit card numbers, or personal data.\n\n**How phishing works:**\n• **Deception** - Attackers create fake emails, websites, or messages\n• **Urgency** - Create false sense of urgency to bypass critical thinking\n• **Credential harvesting** - Trick users into entering sensitive information\n• **Malware delivery** - Distribute malicious attachments or links\n\n**Common phishing types:**\n\n**1. Email phishing:**\n• **Method** - Mass emails impersonating banks, services, or colleagues\n• **Example** - "Your account will be suspended, click here to verify"\n• **Indicators** - Generic greetings, urgent language, suspicious links\n\n**2. Spear phishing:**\n• **Method** - Targeted attacks using personal information\n• **Research** - Attackers study victims through social media, company websites\n• **Example** - CEO impersonation requesting urgent wire transfer\n\n**3. Whaling:**\n• **Target** - High-profile executives and decision makers\n• **Impact** - Access to sensitive corporate information and systems\n• **Sophistication** - Highly personalized and convincing attacks\n\n**4. Smishing (SMS phishing):**\n• **Method** - Text messages with malicious links or requests\n• **Example** - "Package delivery failed, click to reschedule"\n\n**5. Vishing (Voice phishing):**\n• **Method** - Phone calls impersonating legitimate organizations\n• **Example** - Fake tech support requesting remote access\n\n**Protection strategies:**\n\n**Technical controls:**\n• Email security gateways with anti-phishing filters\n• Web filtering to block malicious websites\n• Multi-factor authentication (MFA)\n• Email authentication (SPF, DKIM, DMARC)\n\n**User education:**\n• Regular security awareness training\n• Simulated phishing exercises\n• Clear reporting procedures for suspicious emails\n• Verification protocols for sensitive requests\n\n**Best practices:**\n• Verify sender identity through separate communication channel\n• Hover over links to check actual destination\n• Be suspicious of urgent or threatening language\n• Never provide sensitive information via email or phone\n• Keep software and browsers updated