MOBILE FORENSICS

Mobile artefacts – call logs in IT forensics

Call logs are among the most important artefacts in a mobile IT forensic investigation. They can help to trace communication patterns and document the chronological sequence of events. When combined with other artefacts such as contacts, text messages or location data, events can often be contextualised much more effectively.

Forensic analysis
Documentation admissible in court
GDPR-compliant processing
Experienced experts

OUR APPROACH

This is how your examination will be carried out

A transparent process – from the initial enquiry to the handover of the report.

1
We always analyse call logs within the overall context of the investigation. Timestamps, databases and supplementary artefacts are cross-referenced to ensure that the results are verifiable and reproducible.

TYPICAL QUESTIONS

When is this analysis required?

  • ✔When did a particular call take place?
  • ✔Was a person actually contacted?
  • ✔Have any entries been deleted or amended?
  • ✔Are there any matches with Messenger, location or calendar data?

LIMITATIONS & CONCLUSION

What you should know

Not all call data is retained permanently. Synchronisation, resets, deletions or differences in manufacturers’ implementations may affect the data set. Furthermore, VoIP services may use their own databases.

Call logs are a key piece of evidence in mobile IT forensics. However, they are most valuable when analysed in conjunction with all other relevant smartphone artefacts.

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“Very helpful advice, excellent responsiveness and communication. My problem was completely resolved and the lost data was recovered. I’m very satisfied and, of course, relieved!”

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FREQUENTLY ASKED QUESTIONS

Frequently Asked Questions

Click on a question to see the answer.

Can deleted call logs be recovered?
That depends on the device, the operating system, the backup status and the available artefacts.
Are Messenger calls included as well?
Not always. Many messaging apps store call information separately from the standard phone app.
Are timestamps always reliable?
They should be cross-checked against other artefacts, as time zones, synchronisation issues or system changes may be a factor.
Can tampered call logs be detected?
Depending on the circumstances, inconsistencies can be identified by comparing different data sources.
Are call logs alone sufficient for an expert report?
Generally speaking, no. A reliable assessment is always made in conjunction with other digital evidence.