On daily basis, computer threats get downloaded through emails that is channelized either through internet or through corporate networks. Now, the threat could arrive in any form: virus, worm, phishing mails, or simply a spam. Forensic recovery of evidence from email data via forensic recovery software for forensic evidence analysis is one of the prominent modes civil or criminal legal proceedings.
Possibly, an email might contain the threat or it is used as a medium to spread the threat. Email forensics and investigation involve the idea of recovering evidences using software, hardware, and intellect techniques to find evidences in cases like felonies or identity theft.
In order to consider an email as an evidence, it is important to verify the location from where the email has been sent. It is important that examiner looks out for the crime that has happened and does it comes under criminal activity according to the state law. In such cases, legal advice is needed to start up and proceed the investigation so that time and resources do not get wasted on a non-issue.
Once it is confirmed that a crime has happened through mail, the next step is to have access to the messages in question. For investigation, the email database can either be collected from local machine or ISP server. Email messages, their headers, the server logs are some of the crucial elements that can act as evidence. In most of the cases, the server administrators are reluctant to cooperate and this is when forensic examination tools can help collect the email database.MailXaminer is smartly designed solution for preservation and analysis of email evidences. The tool works on Windows platform and introduces help features to get through the challenges of email forensics. Here is a glimpse of what software can do to simplify the analysis phase of eDiscovery.
The challenges to download database from external server can be overcome through the forensic recovery software. There is provision to download data from email accounts of famous web based mail clients that saves data on their own server. In addition to this, it is possible to have access to the live Exchange server environment for analysis of email database.
Another piece of evidence that can help out is the HTML source code of the email. This will have the programming language code that is being used by the suspect for collecting information from the victim. HTML is one of the popular email format used today for malicious activities as it allows adding hyperlinks and images to the message.
Email header is one of the information provider element of an email. This contains details about the MTAs the message has travelled, the sender, the receiver, the domain authentication elements and much more. Analyzing an email can also give a hint of email authenticity which can help in further proceedings.
Another source of information for forensic recovery of evidence is attachments. In most of the cases, applications restrict downloading emails with specific file types like .exe. As an alternate, the threats are embedded within the commonly used attachment types like PDF, Word, audio files etc. This form manipulating emails for fallacious activities is known as pharming. The forensic email examiner should hold the ability to separately examine the email attachments (received in any form). Through the image shared below, it can be noticed that the software gives the detail about the file type along with their number count.
Databases are huge in size and thus to extract the mails that could prove to be an evidence, Search option in the tool can be used. There are four different ways in which emails can be filtered from the selected file or mail account.
For forensic data recovery of evidence, the forensic recovery software MailXaminer proffers the latest and the most helpful techniques. Once the appropriate artifacts are collected, they give an easy route to the move over the investigation process.