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Computer Evidence

Michael J L Turner MA FBCS CITP MAE FEWI RFP

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A forensic computer data examination is an investigation that:

  • complies with established computer forensic principles
  • uses appropriate computer forensic techniques
  • identifies data relevant to a case and
  • produces exhibits for the court

Michael J L Turner is a Registered Forensic Practitioner in the speciality of Computer Examination: Data Examination.

Data Examination - sources of evidence and evidential artifacts

Michael Turner has experience of the following Data Examination sources of evidence and evidential artifacts:

Computing platforms

Mainframes, minis, LANs, WANs, POS networks, PCs, Mail servers, Database servers, Internet

Databases

Database (MS Access, SQLServer) tables, change history and database applications

Application databases (Thumbs, AOL PFC, Windows Media Player, P2P File-sharing - Kazaa and IMesh, iTunes, Whois?)

Date and time stamps

File system date-stamps (File Created, Last Modified, Last Accessed), Software application (MS Word, MS Excel) metadata, System clock settings, Timezones and Daylight saving (BST) settings

Deleted files

Recovery of deleted files, Recycle Bin, Norton Recycler

Documents

Document version history, revision history, print history, authenticity, authorship (MS Word, MS Excel, Lotus)

Domain Names

Domain name registration records, domain name transfer records

E-mail

Client-based E-mail and E-mail archives (Outlook, Outlook Express), Web-based E-mail and E-mail archives (AOL, Hotmail)

Evidence Elimination

Anti-forensics secure deletion (Evidence Eliminator, Eraser, Sure Delete)

Forensic image copy formats

EnCase, dd, FTK, SMART, ditu, DIBS, Vogon

Hard disk drives

History of formatting, defragmentation, wiping of hard disk drives

Hardware configuration

History of changes to hardware configuration

Log files

Activity logs, Audit trails, Event logs, Internet Access logs

Media

Hard disk drives, CDs, DVDs, USB memory sticks, removable media, obsolete media formats

Operating system

History of Windows installation, re-installation, upgrades

Passwords

Logon and Account Password setting, changes, resetting; password recovery, cracking

Program source code

Program source code in C, C++, Visual Basic, Java, HTML, XML, MS Access, Basic, COBOL, DIBOL, command scripts

Registry settings

System settings (Configuration, Last Use, Last User, Last Shutdown) and User settings (IE Search terms, Typed URLs and Auto Logon IDs)

Software version

Software version change control history

Telephone call records

Communications traffic data - telephone service provider call records (SPOC)

User Identity

User ID, Account ID, Logon ID, MAC, SID, GUID, Passwords, Shared Logons, Unattended Logons

Web archives

Web archive searches, Presence or absence of web-pages, web-page versions, State of the Art, Age of Models - USC 2256 or 2257

Web browsing

Web browser (Internet Explorer - IE, Netscape, Mozilla) cache, Browser history files (active and deleted)

Bookmarks, Favorites, Cookies, Google searches

Experience - Courts and Cases

Michael Turner has extensive experience of data examination in:

  • Civil courts (for Claimant and Defendant and as Single Joint Expert)
  • Criminal courts (White-collar and general crime, for Prosecution and Defence)
  • Employment Tribunals (for Applicant and Respondent)
  • Care Standards Tribunal (Appeal against List 99 blacklisting)
  • Family Court (Review of computer evidence from previous criminal case)
  • Court Martial

and in a very wide range of cases including:

Blackmail

Confidential data recovered from hard disk of recycled PC

Breach of contract

Sale of business, Property lease

Supply of computer systems (Compliance with contract specification)

Computer Misuse Act 1990 Ss 1, 2, 3

Time locks, Logic-bombs, and Hacking

Confidential information

Customer and Contact data, Databases, Designs, Drawings, Specifications

Divorce Recovery of over 50 versions of a deleted document. Fabrication of financial statements

Drugs

Distribution (Telephone call records)

Employment

Internet abuse, Inappropriate Use, Racial Discrimination, Disability Discrimination, Racist documents

False Accounting

Retail commission

Fraud

Online Banking (Theft of £12,000,000), Banking, Credit Card (Identity theft)

Domain Slamming (Whois? database Data Mining, Spam, Domain name registrations, renewals and transfers)

Investment, Insurance and Mortgage frauds

Indecent Images of Children

Possession of and Making indecent photographs of children

Internet libel

Web site and E-mail defamation

Intimidation of witnesses

Falsifying Witness Statements

Money Laundering

Internet Banking

Murder and Manslaughter

Serial killer, Contract Killing, Road Traffic Accident

Negligence

Legal advice

Perverting the course of justice

Editing, Amending, Fabricating documents in evidence

Police computer systems

Telephone call records (SPOC); security and system event logs

Sexual Grooming Online chat with minors

Sexual Harassment

Stalking (Indecent letters)

Software Copyright infringement

Literal copying of software specifications, design documents and program source code

Terrorism Act 2000 Ss38, 57, 58

Failing to disclose information about terrorism.

Possessing documents likely to be of use to a person engaged in instigating, preparing or committing an act of terrorism

 

Experience - Applications

Michael Turner has thirty-five years' experience of software applications in a range of sectors, including:

Accountants Fabrics PC maintenance
Agricultural equipment Film industry Police force
Civil Aviation Financial Services Post Office
Armed Forces Golf clubs Printing
Banking (Internet) Government Property
Banking (Investment) Home PC use Publishing
Banking (Online) Hotel Queue management
Brewing Insurance Recruitment
Business information Internet Retail
Chemicals Local Government Schools
Computer manufacturer Medical Repatriation Software development
Computer systems supply Motor racing Software publishing
Construction Motor trade Solicitors
Derivatives trading Number plate recognition (ANPR) Telecommunications
Estimating Parcel courier Travel

 

 

Michael Turner

BCS Registered Expert Witness: Michael J L Turner

The Academy of Experts: Michael J L Turner

Expert Witness Institute: Michael J L Turner

Expert Witness Directory: Michael J L Turner

UK Register of Expert Witnesses

Council for the Registration of Forensic Practitioners: Michael J L Turner


   
© Copyright Michael J L Turner 2006 - 2008