
When AI becomes a hacker’s weapon
In the past, phishing was often obvious — poorly written emails, awkward language, and easy-to-spot red flags. By 2025, however, this threat has changed dramatically. Rapid advances in artificial intelligence (AI) let attackers produce highly convincing content and forgeries that are increasingly difficult to distinguish from legitimate communications. Phishing has entered a new, more dangerous era: AI-enhanced phishing.
At the same time, credential theft — the stealing of account credentials such as passwords, access tokens, and API keys — remains a primary enabler of more severe attacks, including unauthorized network access, ransomware incidents, and the exfiltration of sensitive data for sale on underground markets.
What is AI-Enhanced Phishing?
AI-enhanced phishing uses AI to generate and tailor text, images, audio, or video that make phishing attacks far more realistic. This includes improving grammar and tone, imitating a specific person’s writing style, or even building fake websites that look indistinguishable from the real thing.
Examples include:
- Emails that convincingly mimic an executive’s writing style and voice, making impersonation hard to spot.
- Deepfake audio or video that instructs staff to transfer funds or disclose sensitive information.
- Fake login pages and web interfaces that copy an organization’s internal systems or a bank’s site — including misleading URLs and identical UI elements.
Credential Theft: Why It’s So Dangerous
Credential theft refers to stealing information used for identity verification—such as usernames, passwords, tokens, or API keys. These stolen credentials can come from various attack methods, including:
- Phishing links that trick users into submitting information on fake websites
- Malware like Stealer that captures credentials stored on a victim’s device
- Data interception from unsecured connections
Once obtained, stolen credentials can be exploited to:
- Access ERP, CRM, or corporate email systems
- Move laterally within an organization’s network (Lateral Movement)
- Launch further attacks, spread ransomware, or sell data on the dark web
2025 Statistics
- Credential theft incidents have increased by 160% in 2025 (Source: ITPro)
- On average, organizations take 94 days to identify a breach caused by stolen credentials
- Over 70% of today’s phishing campaigns already use AI to craft convincing content
AI Hackers’ Tactics
- Personalization at Scale: AI analyzes social media and behavioral data to craft highly personalized phishing messages.
- Multi-channel Attacks: Cybercriminals combine multiple channels—email, chat, SMS, and social media—to deliver coordinated scams.
- Deepfake Leadership: Attackers use fake audio or video impersonations of executives to deceive employees.
- Adaptive Bypass: AI adapts phishing techniques in real-time to evade automated detection and security filters.
Protection with ESET PROTECT PLATFORM
The ESET PROTECT Platform provides complete protection against AI-Enhanced Phishing and Credential Theft, covering every stage of an attack — from email delivery to system compromise.
| Threat Type | ESET Feature | Protection Method | 
|---|---|---|
| Advanced phishing emails | ESET Mail Security | Scans and blocks phishing or spam emails before they reach users | 
| Fake websites | Anti-Phishing + LiveGrid® | Blocks access to fake or infected websites using Cloud Reputation | 
| Stolen or leaked credentials | ESET Secure Authentication (MFA) | Verifies users with multi-factor authentication to prevent logins using stolen passwords | 
| Abnormal user behavior | ESET Inspect (XDR) | Detects and alerts suspicious access or activities in real time | 
| System vulnerabilities | Vulnerability & Patch Management | Finds and fixes weak points before they’re exploited by attackers | 
ESET PROTECT PLATFORM helps stop AI-Enhanced Phishing and Credential Theft effectively — from before reaching the inbox to after the click and post-incident response.
- Email and link protection: Filters phishing and spam, blocks malicious links and attachments, isolates files in the Cloud Sandbox.
- Endpoint defense: Enhances Anti-Phishing, Web Access Protection, SSL/TLS filtering, HIPS/Exploit Blocker, and Ransomware Shield.
- Credential protection: Uses MFA and RBAC to secure logins and enforce password policies.
- XDR detection and response: ESET Inspect monitors behaviors like credential dumping or HTML smuggling, and isolates or blocks compromised devices automatically.
- Vulnerability management: Closes browser, plugin, and email client gaps to prevent future exploits.
ESET AI-Native: AI-Driven Protection Against Future Cyber Threats
AI is a core element of the ESET PROTECT Platform, powering multiple layers of defense such as the Detection Engine, Cloud Sandbox, Phishing Filter, and XDR (ESET Inspect).
Operating across both Endpoint Security and Cloud Management, ESET’s AI works autonomously to detect, analyze, and block threats through Signature-based and Behavior-based protection mechanisms.
ESET PROTECT: Attack Chain and Defenses
| Kill Chain | Attack Technique | ESET Feature for Mitigation | 
|---|---|---|
| Delivery (Email/Web) | AI-generated phishing, look-alike domains, HTML smuggling, malicious Office/Macro/PDF/JS files | ESET Mail Security (Anti-Spam/Phishing, content & attachment scanning) LiveGuard Advanced (Cloud Sandbox) Anti-Phishing & Web Access Protection powered by LiveGrid® Reputation | 
| Initial Execution | User clicks links or opens malicious files, HTML/JS payloads, Office spawning PowerShell | Exploit Blocker Script & Browser Protection HIPS Advanced Memory Scanner | 
| Credential Theft | Credential stealers (RedLine/Vidar), keylogging, LSASS/DPAPI access, Chrome “Login Data” theft | ESET Inspect (XDR) rules & detections, HIPS blocking process memory access, Network Attack Protection blocking exfil/C2 communication | 
| C2/Exfiltration | Sending passwords/tokens outside the network, DNS-over-HTTPS | Botnet & Network Protection SSL/TLS protocol filtering Firewall | 
| Persistence/Lateral Movement | Creating scheduled tasks, using admin shares, or stolen credentials | ESET Inspect (ATT&CK mapping), RBAC control, and MFA for VPN/OWA/RDP access | 
Introduction
- Educate employees to recognize phishing attempts and understand warning signs.
- Use trusted email and web protection solutions.
- Enable Multi-Factor Authentication (MFA) for all accounts.
- Monitor unusual login activities through Threat Hunting.
- Keep software and security patches up to date at all times.
AI-Enhanced Phishing and Credential Theft are no longer distant concerns — they’ve become leading attack trends in 2025, putting every organization at risk. To stay secure, businesses need a well-rounded protection strategy that covers every layer — from filtering malicious emails and blocking fake websites to monitoring system activity in real time.

ESET PROTECT PLATFORM is the trusted choice for organizations seeking peace of mind in today’s AI-driven threat landscape. No matter how sophisticated phishing attacks become, ESET’s integrated security ecosystem stays one step ahead — protecting your people, data, and systems with unmatched intelligence and reliability.