MOBILE FORENSICS

Mobile artefacts – text messages in IT forensics

Despite the widespread use of modern messaging apps, text messages remain an important part of a mobile IT forensic investigation. They often play a key role, particularly when it comes to authentication codes, notifications from banks or public authorities, and older communication histories.

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.

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We examine SMS databases, timestamps and metadata, and cross-reference these with other artefacts such as contacts, call logs and messaging data. The aim is to achieve a reproducible and traceable analysis.

TYPICAL QUESTIONS

When is this analysis required?

  • ✔Was a text message actually sent or received?
  • ✔Has a message been deleted?
  • ✔Can authentication or TAN text messages be verified?
  • ✔Do the timestamps match those of other artefacts?

LIMITATIONS & CONCLUSION

What you should know

Not every deleted text message can be recovered. Cloud synchronisation, device settings and the messaging app used all affect the data that is available. Furthermore, RCS messages may be stored separately.

Text messages remain a relevant form of evidence even today. They become particularly telling when cross-referenced with other digital traces from the smartphone.

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FREQUENTLY ASKED QUESTIONS

Frequently Asked Questions

Click on a question to see the answer.

Can deleted text messages be recovered?

That depends on the device, the extraction method and the available data.

Are SMS and RCS the same thing?

No. RCS uses different technical methods and can be stored separately.

Are timestamps admissible as evidence?

They should always be cross-checked against other artefacts.

Can TAN text messages be relevant in a forensic context?

Yes. They can play an important role in reconstructing account access or logins.

Why are text messages compared with other data?

Combining several artefacts enhances the significance of the analysis.