Security Built In,

Not Bolted On.

Banks, government bodies and global brands all choose ISL Online for our high level of security in remote support software industry.

Maximum Security


We address remote desktop security very seriously. This is our remote desktop security policy in short: industry-standard (SSL) security technologies are used to protect data transfer; RSA 2048/4096-Bit Public / Private Key Exchange is used to negotiate symmetrical AES 256-Bit end-to-end encryption.

ISL Security

Connection Ports

ISL Online automatically initiates an outgoing connection through ports 7615, 80 or 443. Therefore, it works with your existing firewall and does not require any additional configuration.

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Strongest Encryption

The RSA 2048/4096 -Bit Public / Private Key Exchange is used to negotiate symmetrical AES 256 Bit end-to-end encryption.

Code Signing

ISL Online applications are digitally signed by means of a Code Signing certificate, which reliably identifies ISL Online as the software publisher.

Customer Protection

A customer can revoke control of a technician or terminate a support session at any time.

ISL Security

Security Measures at a Glance

  • AES 256-Bit end-to-end encryption
  • RSA with Diffie-Hellman key exchange
  • Two-factor authentication (2FA)
  • ISO 27001:2013 Certification (information security management)
  • Port filtering
  • Blacklisting/whitelisting
  • Code signing
  • External security audits and penetration testing
  • Function transparency (no stealth mode)
  • Password encryption
  • Brute force intrusion protection
  • Intranet (LAN-only) option
  • Reverse proxy support
  • Automatic session recording option
  • Access management
  • Incident management system (IMS)
  • Logs and accountability
  • Features restriction

Manage Your Users Centrally

To manage users centrally, use external authentication, such as Microsoft Active Directory, NetIQ eDirectory, LDAP, RADIUS or SAML 2.0.

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Two-Factor Authentication

Two-factor authentication is an extra layer of security providing peace-of-mind for helpdesk technicians, IT professionals and their clients when initiating a remote session.

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ISO 27001 Certification

ISL Online Headquarters (XLAB) holds the ISO/IEC 27001:2013 certificate which proves our commitment to information security. We use globally recognized ISO 27001 standard as a framework for implementing the information security management systems (ISMS), which helps us keeping information assets secure.

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Ready for GDPR

At ISL Online, we respect the privacy of our website visitors and clients who use our products and services, thus we believe that the EU's General Data Protection Regulation (GDPR) is an important milestone in the data privacy landscape. We continue to provide our users with high-quality, secure and reliable remote desktop software under the new GDPR regulation, taking into consideration all of its privacy requirements.

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Security Statement

Securely Unlock Remote Desktop with YubiKey

Two-factor authentication (2FA) can be configured by using different methods for the second step of verification:

  • Email
  • Phone (Twilio SMS)
  • Authentication app (TOTP)
  • Security Key (Yubico keys based on FIDO U2F standard)

YubiKey Remote Desktop Authentication

Trusted by Industry Leaders

ISL Online is delivering remote desktop services to leading corporations across several industries such as banks, telecoms, public institutions, governments, manufacturers and service industry companies from all over the world. Many of them are conducting security audits and penetration testing to assess ISL Online's information security measures and procedures. Security reports reveal that ISL Online is a trustworthy remote desktop service provider with very high-security standards.


We are very satisfied with the product we have chosen. ISL Online remote support tool ISL Light offers reliability, high speed and high quality screen sharing, session recording and the product is extremely easy to use. And above all, ISL Online team provides outstanding support when needed!

Dietmar Elsler, Raiffeisen Online

We are here for you.

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