Red4Sec Cybersecurity S.L.

Red4Sec is a specialized cybersecurity firm focused on blockchain and Web3 security services. Founded in 2016 and headquartered in Madrid, Spain, the company has established itself as a leader in blockchain security audits with over 15 years of cumulative cybersecurity experience.

Core Services

Red4Sec specializes in comprehensive security auditing services across multiple domains. Their cryptocurrency audit services cover blockchain technology, smart contracts, DeFi protocols, and cryptocurrency code audits. They provide ethical hacking and penetration testing services to protect projects from cyberattacks. Their web security experts analyze and protect web applications using various security audit methodologies. The company also offers infrastructure audits to ensure server security and data protection, mobile application security audits to identify and remediate vulnerabilities, and malware analysis services to understand malware operations and identify weaknesses.

Key Strengths

The company brings extensive expertise in blockchain security, having served as security auditors since 2017. Their team consists of experts and security analysts with many years of experience in ethical hacking, web and mobile application audits, code audits, cryptocurrency audits, perimeter security, and incident response. Red4Sec is particularly strong in cryptography and distributed systems, making them well-suited for complex blockchain protocol audits.

Notable Clients

Red4Sec has audited major blockchain projects including NEO, NANO, Polkastarter, QRL, DAPS, Flamingo Finance, Radix, Phantasma, Polkamarkets, Witnet, KuCoin, and many others. Their client portfolio includes over 80 Web3 projects across DeFi, NFT platforms, wallets, and blockchain infrastructure. The company has protected billions of dollars in digital assets, with none of their audited clients suffering direct intrusions affecting their economic funds.

Why Choose Red4Sec

Red4Sec combines professionalism, experience, and commitment to deliver maximum security to clients. Their team continuously learns and adapts to new vulnerabilities using the latest technologies and methodologies. They provide comprehensive security strategies and risk analysis for blockchain projects, with a proven track record of discovering critical vulnerabilities that other auditors missed. Their audit process is thorough and includes detailed reporting, making them a trusted partner for blockchain security.