Trusted by leaders across all industries
Our Services
Comprehensive cyber protection for your business
Penetration Testing
We simulate real cyber attacks to discover vulnerabilities before malicious actors do.
Learn MoreSOC Monitoring 24/7
Continuous monitoring of your infrastructure with AI-powered threat detection.
Learn MoreAI Solutions for Business
Implementing artificial intelligence in your processes — from AI agents and DevOps automation to AI Firewall with 24/7 monitoring.
Learn MoreIncident Response
Rapid and professional response to cyber incidents — every minute counts.
Learn MoreSecurity Audit
Comprehensive assessment of your cybersecurity posture against ISO 27001, NIS2, and GDPR.
Learn MoreMicrosoft 365 Security
Hardening and protection of your Microsoft 365, Azure AD, and Intune environment.
Learn MoreAI Security Automation
We leverage artificial intelligence for automated threat detection and response.
Learn MoreEmployee Training
Turn your team into the first line of defense with realistic simulations.
Learn MoreCompliance & Regulations
GDPR, NIS2, ISO 27001, DORA — we navigate the regulatory maze for you.
Learn MoreManaged Detection & Response (MDR)
Outsource your cyber defense to our expert team with 24/7 coverage.
Learn MoreVoIP & Communications
Setup, optimization and security of VoIP infrastructure with AI-powered quality analysis.
Learn MoreFinancial Analytics & BI
AI-powered financial tools, dashboards and automated reporting for your business.
Learn MoreCloud Migration
Secure migration of your infrastructure to Azure, AWS, or hybrid cloud models.
Learn MoreEndpoint Protection
Protect every device — laptops, mobile, servers — with AI-powered detection.
Learn MoreBackup & Disaster Recovery
Ensure business continuity with automated backup and DR planning.
Learn MoreAbout Us
Defend.bg is a leading Bulgarian cybersecurity company specializing in protecting small and medium businesses. With over 20 years of experience in the IT industry and financial sector, we understand the challenges your business faces.
OSCP, CISSP, CEH certified specialists
Solutions scaled for small and medium businesses
Continuous monitoring and rapid response
Bulgarian company understanding the local market
Latest Articles
SPF, DKIM and DMARC — Why Your Emails Go to Spam and How to Fix It
Complete guide to email authentication — what SPF, DKIM and DMARC are, why Google and Microsoft are blocking your emails, and how to configure everything correctly with our free tools.
Read More
Anthropic Claude Mythos Shakes Cybersecurity: Cloudflare Loses $9 Billion in a Day
Anthropic's new AI model discovered 500+ vulnerabilities in open-source projects that went undetected for years. Cloudflare, CrowdStrike and the entire sector dropped sharply. What does this mean for your business?
Read More
AI Agents in Business — How We Automate Real Processes in 2026
How we deployed AI agents working 24/7, replacing hours of manual work in real companies.
Read MoreWhat Our Clients Say
Defend.bg transformed our cybersecurity posture. From discovering critical vulnerabilities to 24/7 monitoring — their team responds quickly and professionally.
Thanks to Defend.bg we successfully passed our ISO 27001 audit. Their team helped us build a comprehensive information security strategy.
As a CEO, my peace of mind is priceless. Defend.bg gives us exactly that — we know our data and systems are in safe hands.
After a phishing attack, Defend.bg responded within minutes. They implemented comprehensive protection and trained our team. Now we truly feel secure.
The AI automation Defend.bg implemented in our SOC reduced false positives by 80%. The investment paid for itself within a month.
Get in Touch
We're ready to discuss how to protect your business. Contact us for a free initial consultation.