If an antivirus software detects an attack,
it means that the attack is already too well-known.

Experience our Hybrid Analysis Technology
to detecting and blocking zero-day attacks.


APT specialized solution adoption is crucial

As the latest advanced threats can be seen in real cases,
New types of intelligent attacks are easy to circumvent existing security infrastructure.

Firewalls

IPS

Secure Web Gateways

Anti-Spam Gateways

Desktop AV

SecuLetter SLE


Handling Spear-Phishing Attack

  • Detect or prevent spear-phishing email campaigns
  • Realtime detect/quarantine feature for malicious emails
  • Analyze non PE(Portable Executable) files
    (MS Office, Hancom Office, PDF, Zip, etc.)
  • Efficient analysis after using the existing spam solution


Fundamental protection on the assembly level
for vulnerable points


Detecting sandbox-bypassing attacks
using our own Hybrid Analysis technology

Detecting Delayed
Attacks Malware

Find time gap malwares designed
for sandbox-circumventing analysis.

Detecting sandbox-circumventing
Attacks

Find the other malwares designed
for circumventing analysis environment.


SecuLetter SLE Compositions

MTA(Inline) or SPAN/TAP, BCC

MTA(Inline)

SecuLetter SLE(MTA) using the SMTP protocol will be built between the anti-spam server and a email server.

Internet

Firewall

AntiSpam gateway or MTA

SecuLetter SLE

Mail Servers
(Exchange, etc.)

Users

Quarantine

Administrator

SPAN/TAP, BCC

SecuLetter SLE(MTA) receive mirrored SMTP protocol data in front of the mail server or receive from the anti-spam server in BCC mode

Internet

Firewall

Anti-spam gateway or MTA

SecuLetter SLE

Mail Servers
(Exchange, etc.)

Users

Quarantine

Administrator


SecuLetter SLE's detection/analysis/quarantine
for un-known APT attacks

Spear-Phishing(E-Mail)

  • The SecuLetter SLE appliance analyze the attached files and urls after anti-spam filtering
  • Proceed Hybrid Analysis for un-known attacks
  • After quarantining/blocking malware emails it sends normal emails to the email server

Router

Firewall/IPS

Switch

Anti Spam

SecuLetter SLE

Email Server

Email Server


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