
Boost your business's credibility with our innovative email security solution.
Phishing emails, fake emails, and information leaks via email...
Email remains the most widely used, yet also the most exploited attack vector.
In recent years , incidents of phishing emails, spear phishing, account hijacking, and information leaks have been continuously occurring via email. Existing spam blocking systems or general security systems have difficulty blocking sophisticated phishing emails using social engineering techniques. In particular, attacks impersonating internal company employees or using email addresses identical to those of actual business partners are difficult to detect with existing security technologies, and can result in significant financial losses in the event of an incident .
This leads to losses and loss of trust .
Why You Need a Next-Generation Email Security Solution
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Existing email security solutions cannot completely protect against social engineering phishing emails.
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Email-based attacks are evolving further by leveraging automation and AI technologies .
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An integrated response system is needed , from pre-blocking to impersonation verification to user warning .
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Mail security requires more than simple filtering; it requires trust-based verification and behavior-based detection.

Phishing Email Blocking System
Blocking emails from unknown sources
Blocking phishing and fraudulent emails
Block phishing and spear phishing
Blocking similar (private) domain mail
Blocking BEC attack emails
Applying domain-level security technology

Unauthorized webmail blocking system
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Compliance with National Cyber Security Management Regulations (Presidential Training No. 141)
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Manage business webmail access
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Block unauthorized webmail access
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Prevent information leaks through webmail

Phishing Email Analysis System
Blocking emails from unknown sources
Blocking phishing and fraudulent emails
Block phishing and spear phishing
Blocking similar (private) domain mail
Blocking BEC attack emails
Applying security technology to individual accounts

Hacking Email Simulation Training
Do not open suspicious emails
Providing customized hacking email scenarios
KISA provides mock training scenarios
Preventing information leaks and strengthening security awareness
Realmail integration operation

SINCE 2004
Together, More Secure.
RealSecu.
RealSecu is setting a new standard in email security.
Founded in 2004,
RealSecu is the world's first company to use phishing email verification technology to verify the sending email server.
Development. We are growing into a next-generation email security specialist .
We are able to detect malware that cannot be detected by existing spam blocking solutions and mail APT solutions.
We present a new paradigm in email security through RealMail, which blocks BEC attacks such as phishing, fraudulent emails, phishing, and spear phishing at the source .
We are developing innovative email security solutions through proprietary security technologies based on artificial intelligence (AI), machine learning (ML), natural language processing (NLP), and zero trust technologies.
The future presented by Real Security
RealSecu's mail security technology goes beyond simple email filtering.
We are opening an era where you only receive trustworthy emails.
We're redefining email security.
We provide you with innovative mail security technology.

Real Security proves it with numbers
21
Years of karma
20
Certificate
10
patent
13
copyright
7
Industrial Awards
Major clients







