Mallery Technical Training & Consulting
is now part of ArcherHall.

You can expect the same expertise and the same great service. Clients will benefit from access to a larger team of digital forensics experts, and a larger geographic reach.

Clients are encouraged to call with any questions you might have. We look forward to continuing to work with you!

John Mallery is a long time practitioner of computer forensics. He founded the first private sector computer forensics lab in the Kansas City Metropolitan area and worked his very first case in 1998. He has analyzed hundreds of computers and hand-held devices including Windows PC’s, Macs, iOS devices, Android phones and embedded systems.

John will continue to serve clients in the Kansas City metropolitan region and beyond from ArcherHall offices in Overland Park, KS.

Contact: [email protected]

Digital Forensics

ArcherHall’s digital forensics team delivers expert preservation, collection, analysis, and testimony for electronic evidence—both visible and concealed. Our certified forensic professionals use court-approved tools and processes to ensure every investigation is thorough, defensible, and tailored to the needs of your matter.

What we offer
  • Data Collection & Preservation
  • Cellphone Forensics
  • Computer Forensics
  • Network & Server Log Analysis
  • File System & Artifact Reconstruction
  • Cloud Services, Email Platforms & Social Media Accounts
  • Metadata Analysis & Authentication
  • DVR & Video Surveillance
  • VoIP, Landline & Voicemail Forensics
  • Onsite & Remote Collections
  • Forensic Analysis & Reporting
  • Mobile Device Decryption
  • Data Recovery Solutions
  • Expert Witness Testimony
  • Special Master

eDiscovery

ArcherHall’s eDiscovery services combine technical precision with guided expertise to simplify complex data challenges. Every matter is supported by a dedicated project manager who works closely with your team to scope, coordinate, and deliver each phase of the process—from data intake and processing to review and production. We ensure your digital evidence is handled securely, efficiently, and in full compliance with ESI protocols and regulatory requirements. The result: clear, cost-effective solutions tailored to your case and built to hold up in court.

What we offer
  • Early Case Assessment
  • Search Term Consulting & Testing
  • Legal Hold Management
  • Data Processing, Hosting & Production
  • Data Deduplication, Culling & Email Threading
  • AI & Technology Assisted Review
  • User-Friendly Review Tools with Advanced Filtering & Search
  • Project Management & Workflow Design

Cybersecurity

Our cybersecurity solutions offer proactive and reactive services to protect your systems and data from breaches. Whether you need incident response, data breach investigation, or ongoing vulnerability assessments, ArcherHall’s industry-leading cybersecurity team provides you with the expertise and support necessary to stay secure and compliant.

What we offer
  • Incident Response
  • Data Breach Investigation
  • Penetration Testing
  • Vulnerability Assessments
  • Compliance & Risk Management
  • CMMC Solutions
  • Cybersecurity Training
  • Network Security Services

Expertise You Can Count On

Call us at (855) 839-9084. Or send us a message and we’ll get back to you right away.

Name(Required)
I am a Legal Professional