CYBERONE

CYBERONE

Cyber One Ltd

Sofia, Bulgaria

Managed SecurityDetection & ResponsePenetration TestingIncident Response24/7 SOC
Serves Enterprise
Profile last updated: April 5, 2026

About

CYBERONE is a cybersecurity company based in Sofia, Bulgaria working in managed security, detection & response, penetration testing +7 more.

CYBERONE is a cybersecurity company based in Sofia, Bulgaria, which states it is a chosen partner of many leading Bulgarian companies and also works with European clients. It helps organisations strengthen their security through the implementation of cyber security solutions, security management, penetration testing, security training and consulting. Services include penetration testing, which simulates real attacks against web applications, systems and networks, and automated vulnerability testing. It offers managed SOC services with 24/7 monitoring and response, vCISO / CISO-as-a-service, security incident investigation, and cloud-based products including a SIEM, web application firewall, endpoint protection, email security gateway and DNS filtering gateway. The company also provides security awareness training and information security policy development, and advises on NIS2 and DORA compliance.

Location

Sofia, Bulgaria

Legal name

Cyber One Ltd

Focus areas

penetration testingSOCSIEMWAFendpoint protectionemail securityDNS filteringvCISONIS2DORAincident responsesecurity awareness

Languages

ENBGIT

Services & products

Security domains

Managed SecurityDetection & ResponsePenetration TestingIncident ResponseEndpoint SecurityNetwork SecurityEmail SecurityApplication SecuritySecurity AwarenessGRC & Compliance

How they deliver

Managed ServicesProfessional ServicesConsultingTraining

Operations

Runs a 24/7 security operations centre

Products

SIEM

SIEM

Real-time monitoring and correlation of security logs from IT systems, PCs and servers.

Web Application Firewall

WAF

Filters, monitors and blocks malicious HTTP/S traffic to protect web applications.

Endpoint Protection

EDR

Cloud-based endpoint protection providing visibility of computers and servers and protection against multiple threats.

Security Email Gateway

Email security

Cloud-based filtering of inbound and outbound email to block spam, malicious and dangerous messages, with optional DLP.

DNS Filtering Gateway

DNS filtering

Cloud-based DNS traffic filtering with predefined rules, DNS history monitoring and configurable policies and groups.

Customers

Enterprise

Compliance & partners

Compliance frameworks

NIS2DORAISO 27001

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