How Attackers Use AI and Other Tools to Improve Phishing

Summary
Phishing is becoming more targeted across email, social media, SMS and phone calls. Attackers use evasion techniques and AI-generated lures, while user education, MFA, secure email gateways and DNS security can help reduce risk.
Key points
- Spear phishing uses smaller target groups and customized messages to improve delivery and make lures seem legitimate.
- Phishing now reaches victims through social media, SMS, QR codes and phone calls, as well as email.
- Evasion methods include hiding links in images, HTML smuggling, oversized or password-protected attachments, link shorteners and compromised accounts.
- Attackers can use public information and breach data to personalize lures; AI tools can help generate convincing messages and adapt them to email-thread context.
- The article expects voice cloning and deepfakes to create additional phishing risks.
- Recommended defenses include user education, multi-factor authentication, secure email and DNS protections, and monitoring for unusual network activity.
Article Details
- Topic
- How AI and other modern tools are used to make phishing attacks more targeted, convincing, and difficult to detect.
Indicators of compromise
| Type | Indicator | Context |
|---|---|---|
| DOMAIN | metamask[.]lc | Phishing domain linked in a tweet replying to the real MetaMask Twitter account. |
| HOSTNAME | www[.]office[.]com[.]login[.]evilbadguy[.]com | Example of a crafted lookalike hostname used to disguise a phishing destination. |