Digital Forensics Investigations

DIGITAL FORENSICS

Forensics refers to the process of conducting criminal investigations, forensic analysis, and scientific investigations.

In digital forensics, we analyze and investigate information recorded on devices such as PCs and smartphones.
This not only helps uncover evidence of wrongdoing but also makes it possible to prove innocence or verify past events.
Digital forensics can help resolve a wide range of fraud cases and issues.

Solving problems through human-driven knowledge analysis, not just advanced IT technology

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Extensive experience in digital forensics services. Over 1,600 cases handled

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Thanks to the trust earned through case resolution and investigation, our client base ranges from law firms to private companies

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We collaborate with a wide range of partner companies, including those specializing in AI technology and security

Our team is led by professionals, including former cyber investigators, who possess extensive experience in digital forensics, having handled over 1,600 cases.
Drawing on precise problem-solving methods and investigative intuition honed through extensive field experience, we analyze devices and investigate information that serves as evidence.
For example, we help resolve and investigate a wide range of cases, including embezzlement, insider trading, accounting fraud, kickbacks, circular transactions, unauthorized access, fraudulent lending, and data breaches.
Our client base includes numerous law firms and private companies, and we carry out our work in collaboration with a diverse range of partner companies.

Frequently Asked Questions


We conduct investigations by analyzing web browsing history and application launch logs.


We can recover and examine the emails.


We will investigate by analyzing logs from each server and security tools.


We will perform searches and review the emails.


We will investigate the document access history.


We will investigate by analyzing the web server and logs.


We will recover and review emails.


We will analyze the data on the smartphone.


We analyze the date and time information in images.


We perform data recovery from USB drives and SD cards.


We perform analysis of external device logs, email logs, and web browsing history.

Examples of Digital Forensic Investigation Services

Digital Forensic Investigation for PCs and Tablets (Per Device and Per HDD)

We use advanced technology to recover, search, and analyze data such as web browsing history, document access logs, startup logs, and email information recorded on devices such as PCs and tablets.

No Item Unit Reference Price (excl. tax)
1 Base Rate Per unit 100,000 yen
2 Data Preservation Per device 50,000 yen
3 Data Recovery 1 unit 50,000 yen
4 Server Data Preservation (including error handling) 1 hour 10,000 yen
5 Creation of a list of Office-type data, PDFs, and text files (by file extension) 1 device 50,000 yen
6 Image and Video Search, Data Extraction 1 unit 50,000 yen
7 Data Extraction (Office files, PDFs, text) 1 unit 50,000 yen
8 Keyword Search (Content search for emails, Office files, etc.; up to 10 keywords) 1 unit 100,000 yen
9 Email Data Extraction 1 device 100,000 yen / 80 files
10 Email Investigation 1 hour 10,000 yen / 80 files
11 Data Analysis and Interpretation (External Connection History, Web Browsing History, Data Matching, etc.) Per topic 100,000 yen
12 Preliminary Report Per project 50,000 yen / 80 files
13 Investigation Report 1 case 200,000 yen
14 On-site 3 units 100,000 yen

*We will charge for only one HDD required for evidence preservation.
*For items2–11, the fee applies to PCs with a total storage capacity of up to 3TB. For capacities exceeding this, please contact us for a quote.
*On-site fees will increase by 100,000 yen for the 4th unit and by an additional 100,000 yen for the 7th unit.
*After the case is closed, we will return the HDDs used for preservation with the preserved data intact. Please let us know if you need the copies created for analysis, as we will delete them otherwise.
*For SV services, the preparation period is not included; you will be billed for the time from the start of data extraction until completion.

Mobile Phone Forensic Investigation

We conduct analysis and investigations as needed to determine whether remote control software has been installed on smartphones and mobile phones, such as iPhones and Android devices.

No Item Unit Estimated Price (excl. tax)
1 Mobile Phone and Smartphone Analysis (iPhone, Android, etc.) Per device 300,000 yen

*We cannot accept cases where the passcode is unknown.

Forensic Analysis of USB Drives and SD Cards

We perform data recovery on USB flash drives and SD cards, extracting Office files, images, videos, and other media.

No Item Unit Estimated Price (excl. tax)
1 Recovery of USB flash drives, SD cards,
etc. (per 16GB) Extraction of Office data, images, videos, and other media
1 device 10,000 yen

*The cost of the HDD used for data preservation is not included in this price.

Network Forensic Investigation

We will analyze logs from each server and security tools to investigate whether there has been unauthorized access, website tampering, or data leaks.

No Item Unit Estimated Price (excl. tax)
1 Check for unauthorized access, website tampering, data leaks, etc. 1 unit 900,000 yen

Media Forensic Investigation

We perform video analysis of devices such as dashcams and security cameras, still image analysis, and audio analysis of IC recorders. We can also verify the authenticity of the date and time information in images.

No Item Unit Estimated Fee (excl. tax)
1 Video Analysis (Dashcams, Security Cameras, etc.) 10-minute video From 100,000 yen
1 Still Image Analysis 1 image From 40,000 yen per image
1 Audio Analysis (IC recorders, etc.) 1 unit From 100,000 yen

*Image clarity depends on the original image data.

For inquiries regarding this service, including questions or requests for quotes, please contact us here.