4. Obstacles to Email Encryption
Adoption Today
• Unencrypted emails are too easy to send
• IT admins think encryption is too expensive or
cumbersome or complex
• Compliance regsshould drive more email
encryption usage (but don’t…)
• The mobile encryption experience hasn’t been
so wonderful
4
14. YouSendIt Privacy Policy
Certain information may become accessible,
such as the text and subject of messages you
have sent, the name and content of the User
Files you have sent, the date and time
messages were sent, and the email addresses
of the recipients.
18. Secure document issues
• Do you need secure intra- or inter-enterprise
collaboration?
• Can you recall sent messages?
• What happens when someone leaves your
company?
• How does the service affect users’ existing
email experience?
• Can you authenticate recipients and thwart
malware such as key-loggers?
19. Data loss prevention
• Global Velocity's GV-2010 security appliance
• BlueCoat Networks DLP appliance
• Sendmail'sSentrion email server
• McAfee Host DLP
• Symantec/Vontu DLP v10
• Safend Protector
• Trend Micro DLP
20.
21. DLP Drawbacks
• You are tracking rather than encrypting
messages
• Once a message leaves your premises, you
can’t do anything
about it
• Can be expensive
22. Full encryption choices
• Voltage SecureMail
• PGP Universal Server
• Sophos Email Appliance
• Cisco IronPort
• Proofpoint Protection Server
• Mimecast's Unified Email Messaging
• Echoworx Encrypted Mail
23. Common product features
• Crypto key management
• Auto encrypt sensitive info as part of their
policies
• Lots more rules processing
• Outlook plug-ins
24.
25. Encryption Landscape
Vendor Approach Key/Certificate Mobile capability
Management
Cisco IronPort Symmetric key per CRES (cloud) Web-based
message Or on premise
Proofpoint Symmetric key per PP Key service or on premise Web-based; read
message only
Symantec/PGP PKI PGP Directory or on premise Web-based; read
only
Entrust PKI Entrust PKI or on premise Web-based
Zix PKI Zix Directory Web-based
Voltage Identity-based Cloud-based Native app
encryption
Echoworx PKI Echoworx PKI Native app
From the Wall Street Journal, but there were lots of other reports. The Chamber had at least six weeks worth of email data containing sensitive information stolen in a breach that was widely reported
This expert from the Brookings Institute is the extreme case. When he travels in China, he disables Bluetooth and Wi-Fi, never lets his phone out of his sight and, in meetings, not only turns off his phone but also removes the battery, for fear his microphone could be turned on remotely.
There are a whole series of cloud-based document sending services such as Google Docs, Dropbox, Box.net, and others that can store documents in the cloud.
These services all share one common weakness: you can’t manage them well from an enterprise perspective. Also, browser-based FT is limited to 2 GB or less, and many of these services have other hidden limitationsEven when IT is aware of their use, the services generally lack transaction logging, which makes document control problematic and impedes litigation preparedness.
http://www.yousendit.com/aboutus/legal/privacy
Law enforcement shut down one of these services, MegaUpload, and in the ensuing months other peer file sharing services have curtailed their activities.
This is a sample screen from Docusign
There are more than a dozen DLP vendors, and these products offer a wide range of protective features, and some even integrate with endpoint security products, proxy/caching servers, and network intrusion protection appliances. However, while DLP products are great at identifying security breaches after the fact but don't do much to help keep your confidential information contained within your enterprise. They are mostly used for compliance and other regulatory reasons.
This is Global Velocity’s DLP product and you can tune it to block Facebook messages for example, but allow users to add items to their Wall as an example.
These are various gateway appliances that operate inside your firewall, and automatically work in the background to encrypt and decrypt message traffic in conjunction with your mail servers. These are somewhat cumbersome but offer the following features
This is Mimecast’s Outlook plug in, and as you can see, there isn’t much to set up with it.
Not as easy to use as native email appsMany still employ symmetric keys Some can only read and not compose encrypted messagesThese all have a Web service that is hosted by the vendor on the public Internet and users connect via a browser to read and send messages. recipients don't have to download any special software when they get an encrypted message from you.