- of

Buyer: Symantec
Business Unit: Security business including Secure Sockets Layer (SSL) Certificate Services, the Public Key Infrastructure (PKI) Services, the VeriSign Trust Services and the VeriSign Identity Protection (VIP) Authentication Service, plus a stake in VeriSign Japan.
Price: $1.28 billion
Date: May 2010
Symantec views this acquisition as going hand-in-hand with its PGP and GuardianEdge buys in order to help it create what it calls the "Trusted Web."
Buyer: AT&T
Business Unit: Global Security Consulting Services
Price: Undisclosed
Date: October 2009
AT&T's buy of VeriSign's consulting unit gives the telecom better leverage in a new operating environment that had most of its adversaries already holding a security consulting business in their portfolios.
Buyer: SecureWorks
Business Unit: Managed Security Services Unit
Price: Undisclosed
Date: May 2009
MSSP giant SecureWorks picked up VeriSign's managed security services business (minus iDefense, which remains in VeriSign's hands) in a move that it says builds up SecureWorks revenue to $100 million.
Buyer: Syniverse Technologies
Business Unit: Mobile Messaging-including Inter-Carrier Gateway, PictureMail, Premium Messaging Gateway and Mobile Enterprise Solutions technologies
Price: $175 million
Date: August 2009
VeriSign investors had been especially anxious for it to get rid of its growing cadre of mobile technology business units. This deal sold off about $140 million worth of annual business to a vendor better suited to bring it to market.
Buyer: Mobile Messenger
Business Unit: mQube
Price: $19 million
Date: November 2009
A textbook fire sale, this deal saw Verisign barely recouping a fraction of the $250 million it paid for mQube when it acquired the company in 2006.
Buyer: Fox EntertainmentBusiness
Unit: JambaPrice: $387.4 million
Date: 2006/2008
Fox Entertainment bought controlling interest in the VeriSign's wholly owned mobile content subsidiary for $188 million in 2006. It snatched up the remaining 49 percent in 2008 for $199.4 million.
Buyer: Sinon Invest Holding
Business Unit: VeriSign Communication
Price: Undisclosed
Date: February 2009
Sinon purchased VeriSign's mobile applications services group in order to form the Vienna-based Mobile Messaging Solutions.
Buyer: Moreover Technologies Inc
Business Unit: Real-Time Publisher Service
Price: Undisclosed
Date: May 2009
Investors led by Paul Farrell purchased Real-Time Publisher Services and launched it back into the market as Morever Technologies, with Farrell heading it up as president.
Buyer: Globys Inc
Business Unit: Billing analytics for telecom industry
Price: Undisclosed
Date: April 2008
With funding from Trilogy Partnership and Duff Ackerman & Goodrich, executives running the analytics business group spun off the unit into an independent company called Globys.
Buyer: TNS Inc
Business Unit: Communications Services Group
Price: $230 million
Date: March 2009
TNS bolstered its telecommunications services group by acquiring the division at VeriSign that dealt in intelligent database services such as caller ID and roaming and clearing services.