What is Social Engineering?

Social engineering exploits human psychology rather than technical vulnerabilities. Attackers manipulate people into revealing confidential information or performing actions that compromise security. Studies show that over 90% of data breaches involve a social engineering element — making this a critical topic for any ethical hacker.

 

Types of Social Engineering Attacks

Attack

Description

Defense

Phishing

Fake email tricking users to click malicious links

Email filters, user training

Spear Phishing

Targeted phishing using personal info

Verify sender, MFA

Vishing

Voice calls pretending to be IT/bank

Call back policy, verify ID

Smishing

SMS-based phishing

Don’t click unknown SMS links

Pretexting

Creating a fake scenario to extract info

Information classification policy

Baiting

Leaving infected USB drives in public

Never plug unknown USB devices

Tailgating

Following someone into a secure area

Badge-only access, awareness

 

Placement Tip: Explain the Phishing Attack Lifecycle in interviews: Reconnaissance → Crafting email → Sending → Victim clicks → Credential harvest → Attacker gains access. Know how SPF, DKIM, and DMARC email authentication records help prevent phishing.