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EMC buying a data-security firm

EMC Corp. is a leading data-storage company. Above, a technician tested a circuit board at EMC.
Bill Polo/Globe Staff/File 2005
EMC Corp. is a leading data-storage company. Above, a technician tested a circuit board at EMC.

EMC Corp. of Hopkinton is buying the computer security firm Silver Tail Systems of Menlo Park, Calif. Financial terms of the transaction were not released.

Silver Tail, a privately held firm, will become part of RSA, EMC’s data-security business.

Silver Tail collects vast amounts of data passing through corporate networks, analyzing it to detect patterns that might indicate the presence of network intruders or the use of illicit software that could steal or damage a company’s vital data.

Hiawatha Bray

Hiawatha Bray can be reached at bray@globe.com.