USOO7694128B2
`
`(12) United States Patent
`Judge et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 7,694,128 B2
`Apr. 6, 2010
`
`(54) SYSTEMS AND METHODS FOR SECURE
`COMMUNICATION DELVERY
`(75) Inventors: Paul Judge, Alpharetta, GA (US); Guru
`Rajan, Duluth, GA (US)
`s
`s
`(73) Assignee: McAfee, Inc., Santa Clara, CA (US)
`
`(*) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 1963 days.
`
`(21) Appl. No.: 10/384,924
`
`(22) Filed:
`(65)
`
`Mar. 6, 2003
`Prior Publication Data
`US 2003/O172167 A1
`Sep. 11, 2003
`
`Related U.S. Application Data
`(63) Continuation-in-part of application No. 10/361,091,
`filed on Feb. 7, 2003, now Pat. No. 7,096,498, which is
`a continuation-in-part of application No. 10/093,553,
`filed on Mar. 8, 2002, now Pat. No. 6,941,467, and a
`continuation-in-part of application No. 10/094,211,
`filed on Mar. 8, 2002, now Pat. No. 7,458,098, and a
`continuation-in-part of application No. 10/094.266,
`filed on Mar. 8, 2002, now Pat. No. 7,124,438.
`(51) Int. Cl.
`(2006.01)
`H04L 9/00
`(52) U.S. Cl. ....................... 713/152; 713/151; 713/168;
`380/282; 726/2: 726/22
`(58) Field of Classification Search ......... 713/150 154,
`713/164, 168, 178–188: 726/2, 22–25; 709/224,
`709/229, 206-207; 380/30, 282
`See application file for complete search history.
`
`(56)
`
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`FOREIGN PATENT DOCUMENTS
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`OTHER PUBLICATIONS
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`bombs' by Avery, in Info World, May 20, 1996, vol. 12, No. 21, p. N1.
`(Continued)
`Primary Examiner Kimyen Vu
`Assistant Examiner Baotran N To
`(74) Attorney, Agent, or Firm Fish & Richardson P.C.
`(57)
`ABSTRACT
`Systems and methods for secure delivery of electronic com
`munications are provided. A communication transmitted over
`a communications network is received by a system processor.
`The system processor selects a secure delivery mechanism for
`delivering the communication. The system processor
`attempts to deliver the communication to the predetermined
`recipient via the selected secure delivery mechanism. Some
`systems can further provide for determining whether a par
`ticular received communication requires secure delivery.
`
`39 Claims, 18 Drawing Sheets
`
`f
`
`RECEIVE MESSAGE \
`510
`
`15
`
`deSRECPiNT
`MP3?
`
`YES-
`
`APPLYPs
`
`so
`
`M------
`
`s N
`
`5
`
`SRECN
`NEEDSMIME?
`
`YES
`
`APPLY SAME
`512
`
`d
`
`does recipient
`NSSL
`
`d
`
`YES
`
`USE
`SS CNNECOM
`
`53
`
`535
`
`CS
`
`SRECIPIENT
`NSWM
`
`No
`
`EIWR INSECURE
`NESSA&E
`
`S145
`
`COPYSWMSERVER AN
`SEXERAFEMOTIFICAON
`
`YES
`
`540
`
`ELWERSECUREMESSA&E
`
`55
`
`IPR2022-00412
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`

`

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`2004/O139334
`2004/O167968
`2004/0177120
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`
`System
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`U.S
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`2010
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`Sheet 1 of 18
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`US 7,694,128 B2
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`Apple EX1046 Page 6
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`
`
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`

`

`U.S. Patent
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`Apr. 6, 2010
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`Sheet 2 of 18
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`IPR2022-00412
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`IPR2022-00412
`Apple EX1046 Page 8
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`

`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 4 of 18
`
`US 7,694,128 B2
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`

`U.S. Patent
`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 5 of 18
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`US 7,694,128 B2
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`IPR2022-00412
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`U.S. Patent
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`Apr. 6, 2010
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`Sheet 6 of 18
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`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 7 of 18
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`US 7.694,128 B2
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`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 8 of 18
`
`US 7,694,128 B2
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`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 9 of 18
`
`US 7,694,128 B2
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`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 10 of 18
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`US 7,694,128 B2
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`U.S. Patent
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`Apr. 6, 2010
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`Sheet 11 of 18
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`US 7,694,128 B2
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`ALVAYO
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`doVdS
`
`LSI1NO
`
`OF‘Sis
`
`ANNILNOOS
`
`IPR2022-00412
`Apple EX1046 Page 16
`
`IPR2022-00412
`Apple EX1046 Page 16
`
`
`
`
`
`

`

`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 12 of 18
`
`US 7.694,128 B2
`
`F.G. 11
`
`DETERMINE
`SENDER
`NFO
`
`1105
`
`
`
`1150
`
`
`
`
`
`NORMAL
`NO-D INTERROGATION
`AND DELIVERY
`
`
`
`113
`
`DETERMINE
`LEVEL OF
`TRUST
`
`
`
`113
`
`LEVEL
`SUFFICIENT TO
`BYPASS2
`
`RUST
`LEVEL
`THRESHOLD
`
`MESSAGE
`NTERROGATION
`SYSTEM
`
`1125
`
`
`
`MESSAGE
`DELIVERY SYSTEM
`
`1145
`
`
`
`
`
`
`
`
`
`
`
`
`
`IPR2022-00412
`Apple EX1046 Page 17
`
`

`

`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 13 of 18
`
`US 7,694,128 B2
`
`F.G. 12
`
`Threat ReCon Information
`
`Threat Management
`Center
`
`1210
`
`
`
`
`
`1 an hreat Pushback
`
`System
`
`
`
`Peer-based Threat Notification System
`
`IPR2022-00412
`Apple EX1046 Page 18
`
`

`

`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 14 of 18
`
`US 7,694,128 B2
`
`F.G. 13
`
`Feedback from
`Messaging
`Security
`Servers
`
`Input from Threat Recon Sources
`
`
`
`
`
`
`
`Threat
`information
`Input
`
`2005
`
`2015
`
`
`
`Rule and
`Policy Creation
`
`2020
`
`Candidate
`Rule Sets
`
`2030
`
`Testing
`
`2035
`
`
`
`
`
`Test Data
`Sets
`
`2045
`
`Final Rules
`Sets
`
`2010
`
`Goals
`
`2040
`
`
`
`
`
`
`
`
`
`To Messaging Security Servers
`
`IPR2022-00412
`Apple EX1046 Page 19
`
`

`

`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 15 of 18
`
`US 7,694,128 B2
`
`F.G. 14
`
`Threat Notification
`
`Threat
`Notification
`Module
`
`Threat
`Detection
`Module
`
`304
`Threat Notification
`
`Towards
`Threat
`Source
`
`Threat
`Response
`Module
`(optional)
`
`3035
`
`
`
`3030
`\
`:
`
`Threat
`Response
`Module
`(optional)
`
`3015
`rom-mm
`
`Threat
`Notification
`Module
`
`Threat
`Detection
`Module
`
`IPR2022-00412
`Apple EX1046 Page 20
`
`

`

`U.S. Patent
`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 16 of 18
`
`US 7,694,128 B2
`US 7,694,128 B2
`
`
`
`Mo|-]aBessayy
`
`OWLWoyynduy
`
`S-“Sis
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`abessayy
`
`uonyeBboe}uy
`
`aulbug
`
`Stor
`
`SONSHEYS
`
`OLOr
`
`Soiny
`
`pue
`
`SO1DI|Od
`
`SAld||Ogpuesejny
`
`Palle}eq
`
`sonsneig
`
`‘OWL0}
`
`t1''1t,!''‘IlIlt')‘1'‘t1tt1‘st11l1'E'4F'l
`
`Buissas0ld
`SOISIEIS
`aiNpow
`
`indynoJ99qg—>
`
`ynduj984g—
`
`\stor
`
`yoequsngPPAUSNd
`yealuyyeory
`
`woee ee eat
`
`IPR2022-00412
`Apple EX1046 Page 21
`
`IPR2022-00412
`Apple EX1046 Page 21
`
`
`
`
`
`
`
`

`

`U.S. Patent
`U.S. Patent
`
`Apr. 6
`
`’
`
`2010
`
`Sheet 17 of 18
`
`US 7,694,128 B2
`US 7,694,128 B2
`
`
`
`
`
`
`
`94‘SIs
`
`
`
`JOVSSSWAAIBOSY
`
`9009
`c00S¢
`
`3NOO0
`
`Gz0s
`
`SAA
`
`AYSAINIAOLdWSLLY
`
`AYSAIIAGLOATAS
`
`JOVSSAWJO
`
`WSINVHOSWAN
`
`SLOS
`
`OLOS
`
`ON
`
`IPR2022-00412
`Apple EX1046 Page 22
`
`IPR2022-00412
`Apple EX1046 Page 22
`
`
`
`

`

`U.S. Patent
`
`Apr. 6, 2010
`
`Sheet 18 of 18
`
`US 7,694,128 B2
`
`F.G. 17
`
`RECEIVE MESSAGE
`
`5100
`
`DOES RECIPIENT
`NEED PGP
`
`
`
`YES
`
`NO
`
`115
`
`DOES RECIPIENT
`NEED SMIME
`
`YES
`
`NO
`
`5125
`
`DOES RECIPIENT
`NEED SSL2
`
`YES
`
`
`
`
`
`
`
`
`
`
`
`NO
`
`APPLY PGP
`
`5110
`
`APPLY S/MIME
`
`5120
`
`USE
`SSL CONNECTION
`
`5130
`
`DOES RECIPIENT
`NEED SWMT
`
`YES
`
`COPY TO SWM SERVER AND
`GENERATE NOTIFICATION
`
`5140
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`DELIVER INSECURE
`MESSAGE
`
`5145
`
`DELIVER SECURE MESSAGE
`
`
`
`5150
`
`IPR2022-00412
`Apple EX1046 Page 23
`
`

`

`US 7,694,128 B2
`
`1.
`SYSTEMIS AND METHODS FOR SECURE
`COMMUNICATION DELIVERY
`
`CROSS-REFERENCE TO RELATED PATENT
`APPLIC