XcellSecure | Security

On-premise enterprise file-sync and sharing solutions that balances employees’ need to use all their to be productive with the organization’s need for data security, visibility and compliance.

Creating efficiencies by outsourcing email security

How organizations benefit from trusting their email to a provider with top-notch security credentials. With security as a core pillar of our business, Xcellhost helps ensure that confidential email data remains safe and secure.

What does it mean to have “worry-free” security?

Xcellhost invests considerable human and capital resources to ensure levels of security and protection in which you can have full confidence. We’re SOC 2 audited, which attests to our high standards for security—including product security, network security, infrastructure security and privacy protection.

It seems that every day brings another story of a massive hack or unprecedented data breach. And while big businesses make the most news, small businesses have just as much to fear. According to the National Small Business Association, half of 675 small businesses they surveyed reported being victims of hackers in 2014—with the average cost of the hack costing them more than $20,000.

“Security remains the paramount concern for enterprises dealing with the transition to cloud-based computing services,” says Peter Ffoulkes, Research Director, Servers and Virtualization and Cloud Computing, “whether they are private on-premises or public off-premises offerings.”

These numbers suggest that every business should be concerned about security. But that doesn’t mean you have to lose sleep over it. Security is one of the cornerstones of our Worry-Free Experience. We understand that if you’re to trust us with your data, you need to understand how we’ll protect it. Vigilance is essential to keeping your business safe. This page is here to answer your most vigilant and critical questions about the full breadth of security that Intermedia provides, from our internal processes to specific product features.

Validation for our security and protection claims

Any cloud provider can claim to be secure. We have consulted with a number of independent sources to validate the claims we make.


We recently surveyed more than 225 Xcellhost customers (ranging up to 1,000+ employees), to learn more about their security concerns. Based on their responses, we identified the top features we provide to address their most pressing security concerns.

Top 5 Cloud Security Features

01 We have off-site backups of your data

02 You can choose where your data is stored

03 We can facilitate compliance with regulations

04 We help you keep data safe from current and/or former employees

05 We can provide you with single sign-on—free

Top 5 Mobile Security Features

01 Secure access to corporate data

02 Anti-malware protection via link scanning

03 Remote wipe of all company data on mobile devices

04 Remote wipe of select company data on mobile devices

05 Password complexity enforcement

Security and protection across seven pillars

Click each cell below to see comprehensive security details for each of our seven security and protection pillars.

Email encryption

  • In transit: TLSv1.2
  • Advanced encryption with Policy Based and User Based Email Encryption
  • At rest: Bitlocker® (available on some versions of Exchange)

Chat & conferencing encryption

  • In transit: SSL/TLS
  • At rest: Chat transcripts are encrypted if saved in an Outlook® folder (feature enabled by user)

SecuriSync® file sharing and backup

  • In transit: SSL/TLS
  • At rest: Account-level encryption keys

Voice encryption

  • In transit: Secure Voice (SRTP)

Single sign-on (Xcellhost AppID®)

  • Multiple layers of encryption are used to protect data in transit
  • Server and client use a combination of 2048-bit asymmetric encryption (RSA) for communication and 256-bit symmetric encryption (AES) for sensitive data
  • All communication is over HTTPS secured by TLS, and is locked to a specific session
  • Passwords are stored server-side, hashed and salted, using an adaptive function with multiple rekeying rounds.

Email Archiving

  • In transit: SSL
  • At rest: AES-256

Exchange Plus backup

  • Xcellhost retains at least 2 copies of your data
  • These copies reside on physical disks in separate corners of our database quadrant
  • This ensures service availability in the event that a storage unit experiences a failure
  • This design makes it highly unlikely that corrupt data will replicate from one copy to another

Outlook Backup

  • Customer-manageable backups
  • Customize-able Backup Schedules for reoccurring backup jobs
  • Retention policy options to help manage storage
  • Available options to download and upload PST backups from HostPilot® or through any FTP clients

SecuriSync file sharing and backup

  • Customer data is stored on EMC Isilon NAS which consists of 2 sets of 3 redundant storage nodes
  • Data is configured for N+2:1 redundancy to sustain both disk drive and node failures
  • There at least 2 copies of each customer file
  • Data is additionally protected by snapshots which are scheduled once a day
  • Each snapshot is retained for a month

Email Archiving

  • 3 copies of archived data, located in multiple datacenters

Lync®/Skype for Business®:

  • PC clients with conversation history enabled can use Outlook Backup to backup their conversations


  • Real-time sync/backup of all files in the My SecuriSync folder
  • Versioning - real-time backup of all subsequent changes to files
  • Recycle Bin for content protection (policy: prevent permanent deletion of files by end-users)
  • Simple Admin (Admin File Management) or end-user driven restore
    • Lost/Damaged device: Install SecuriSync and authenticate using AD creds. All files will be automatically restored to the device
    • Deleted Files: Restore deleted files from SecuriSync Recycle Bin. Permanent file deletion can be disabled by administrators
    • Old Versions: Restore any version from file version history


  • AntiSpam (Advanced Email Security)
  • AntiVirus (Advanced Email Security)
  • White/Black lists (Advanced Email Security)
  • Anti-malware/anti-phishing for URLs (Xcellhost LinkSafe)
  • SecuriSync: remote wipe of PCs

Mobile security (MDM)

  • ActiveSync and Blackberry® remote device wipe
  • Device management polices to enforce password requirements
  • Device timeout period
  • Device encryption
  • Other message settings, including maximum retention time on device, size and attachment restrictions
  • SecuriSync: remote wipe of data on mobile devices and PCs
  • Advanced: Xcellhost offers integration with well-known MDM vendors (some only available with Private Cloud)

Internally, Xcellhost maintains systems and processes to detect and respond to any suspicious and/or malicious activity within our corporate network.

Ability to selectively enable service for end-users


  • Role-based admin access for control panel
  • Two-factor authentication for an extra layer of security
  • IP white listing/restrictions for accessing control panel


  • Granular sharing permissions
  • Custom IP restrictions (Private Cloud only)
  • Email retention policy


  • Granular sharing permissions
  • Password-protected web-links
  • Mobile app pass-codes (iOS/Android™/BlackBerry)
  • Admin file management (provides admin visibility into user content)
  • External sharing policies (Pre-approve vs Manually approve external sharing)
  • User decommissioning (By disabling SecuriSync for an end-user, an admin restricts future access and retains all user files)
  • Endpoint decommissioning

AppID Enterprise

  • App shaping (application feature control) in third-party apps
  • Audit Log in third-party apps
  • Group access to shared credentials (securely share a common login to web applications, e.g. corporate Facebook presence)

Password management

  • We support password management options for HostPilot, Partner Portal Admins and Active Directory Users.
  • Both users and admins can reset their passwords, with the new one sent via cellphone or email address
  • "Reset password on next login" available for both Admins and Users. (Admins are able to define who will have to reset password on the next login.)
  • HostPilot admins have the following options:
    • Restrict password management by users themselves
    • Sync passwords from custom Active Directory based on the UserPilot.
  • "Password meter" functionality for measuring password complexity/security is available
  • To comply with CPNI regulations, password changes trigger an email notification to the owner of the password
  • During onboarding, passwords are sent to admins in an encrypted file; the code to open the file is sent separately via SMS

Password policies

  • Admins, partners and Active Directory users can be subject to password policies
  • Admins can apply a default policy or build custom policies
  • The following fields are available for customization
    • Minimum password length
    • Password expiration period
    • Allow/deny reuse of existing passwords
    • Lock user after several wrong login attempts

Single sign-on and Cloud IAM

AppID provides an option to securely store web application passwords so that users only have to remember a single password

Cloud Access Security Brokers

AppID Enterprise is a fully featured cloud access security broker.

Context Aware Policies

AppID Enterprise allows organizations to implement context aware policies, based on user, group, device, network, and geolocation.

Two-factor Authentication (2FA)

2FA within Xcellhost AppID supports the following:

  • Xcellhost VeriKey app: Push notification via iOS and Android smartphone app.
  • SMS text message
  • Voice call
  • Xcellhost VeriKey: One-time passcode
  • Google Authenticator: One-time passcode

Login experience

  • Captcha on the login page (only select pages)
  • Prevent dictionary attacks by locking users after several wrong attempts

Privileged user management

  • Internal administrator activities are logged and internal administrator access is routinely reviewed
  • HostPilot allows customers to review logs of admin activity on their own account
  • Administrator activity within AppID is logged separately

Multi-tenant platform security

  • Multiple redundant, enterprise-class firewall systems
  • Multiple redundant carrier grade intrusion protection systems (IPS)

Perimeter/network security

  • Intrusion prevention and detection
  • Network access control
  • Enterprise-class firewalls

Physical security

  • Closed-circuit TV
  • Secure access policies
  • Security guards

Employee security

  • Background checks
  • Two-factor authentication
  • Role-based access control
  • Restricted server access

DDoS protection

  • Redundant internet service providers
    • Mitigates the potential impact of DDoS attacks
  • All Xcellhost services are protected by 24x7x365 DDoS mitigation services from leading provider

Account protection

Stringent caller identification procedures authenticate a caller’s identity during support and service calls

Secure Email Gateways

Every email sent and received by Xcellhost is filtered and vetted by our secure email gateways

Incident response

Alerting and monitoring within our security operations center

Dedicated, full-time security staff manage all aspects of security, including:

  • Log correlation and event monitoring
  • Incident response
  • Managing intrusion detection systems (both host and network)
  • Perimeter defense
  • Service and architecture testing
  • Source code reviews
  • Vulnerability Management

Privacy protection and data protection frameworks

Xcellhost maintains a comprehensive privacy policy. In addition, we are registered with the US Department of Commerce as compliant with US-EU and US-Swiss Safe Harbor frameworks, which were created to bridge the gap between US and EU/Swiss data protection and privacy standards. All our EU and US customers benefit from this level of protection.

“Mining” identifiable customer data for 3rd-party advertising

Identifiable customer data never gets “mined” to serve third-party ads.

Customer choice of data location

    Customers can choose their primary datacenter region to eliminate lag or comply with national regulations Customers can locate their data in two datacenters to eliminate lag

Data jurisdiction/residency

Data storage location will not move across national borders without your consent.

Protection against surveillance

Xcellhost does not provide government agencies with direct access to our network, applications or systems. When we do receive subpoenas, we defend our customers’ right to privacy by ensuring that every request complies with the law and by only providing the minimum required information.

Private cloud availability

Private clouds are available for customers that want customized security or integrations.

Security information and event management

  • Logs are centrally collected from our services
  • Automated monitoring and alerting is performed to identify suspicious events

Event notification

  • Account contact gets notified when critical security preferences are changed (coming in next release of HostPilot)

Event log analytics tool

  • Event log of changes made on account from HostPilot/Partner Portal.

Audit trails

  • SecuriSync: Admins can view detailed event logs for all file activity
  • AppID Enterprise: Allows admins to enable granular audit logs for any web app

Internal security practices

  • Threat intelligence
  • Vulnerability management
  • Patch management
  • Network and application penetration testing
  • Code reviews (automated and manual)
  • Network forensics
  • Incident response

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XcellHost is a prominent cloud based service provider. Our cloud locations are sparsely distributed in India, Singapore and Dubai. Our customers are our strength. With us, they achieve complete control and and flexibility over their cloud environments. Our services run efficiently on operating systems including Linux, Windows, FreeBSD and more. Craft your environment as you like with completely flexible server sizing, high availability, tiered storage, advanced networking and incredible performance.

India Office

209, Laxmi Plaza, Bldg. No. 9, Laxmi Industrial Estate, Andheri (W), Mumbai – 400053, MAHARASHTRA, INDIA

+91-22-67111555 |

Dubai Office

FZ-LLC, G11 Al Zahara, Techno Center, Khalid Bin Waleed Road, PO  413028, UAE

+971-55-1223361 |

Singapore Office

320 Serangoon Road, Serangoon Plaza #04-46, Singapore 218108

+65-31-583504 |




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