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Enterprise Security Magazine | Saturday, April 01, 2023
Many potential cyber risks face today's businesses, and the results can be devastating.
FREMONT, CA: Organizations today face many potential cyber risks each year, and the results can be catastrophic. Cybercrime is a serious threat to any organization, with average data breach costs reaching over USD 4 million. IoT devices can be compromised five minutes after connecting to the internet, posing a severe vulnerability. Several medical devices, smart home components, and even e-cigarettes are now connected to the internet.
With the increase in IoT devices, IoT-related cyberattacks have also grown, giving rise to IoT forensics.
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Extracting Data from IoT Devices: Various IoT devices, such as smart kitchen appliances and fitness trackers, have sensors that are used for IoT forensics. The device collects data that is then transferred to the cloud, which can be analyzed, stored, or made accessible to intended recipients. IoT and cloud forensics intersect at this point: data retrieval from IoT devices to the cloud. Since data travels through multiple networks and sources, multiple standards and data formats are essential for locating crucial digital evidence in computer forensics investigations.
Challenges in IoT Forensics: It is possible to have significant difficulty decrypting some heavily encrypted data. If the decryption token is lost or corrupted, or if the encryption method is unusual or error-prone. It is common for data to be corrupted during transfer or storage by vendors over extended periods. Many companies have policies that specify how long data must be preserved. It is common for providers to protect data from access unless a legal right exists. Depending on the individual policy of the storage provider, data forensics may require legal action and many special permissions that are hard to obtain.
Locating Data Traces: IoT forensics requires maintaining data quality in evidence. To extract data, you must work around the challenge of following the digital footprint through the various stages of collecting and storing it. This can be challenging, depending on the data quality you have. IoT forensics experts have developed many automated methods to simplify the investigation process and make it more effective, resulting in clean, parsed, and structured data.
Data Traces on Devices: Recovering data begins with uncovering information. Unfortunately, many smartphones only store data for a short time. Data leaves behind traces, but these can be corrupted or compromised.
Data Traces in Networks: Data traces may also be preserved by networks used to transfer data. However, these traces can disappear quickly. Additionally, different networks and processes will use different encryption methods.
Data Traces in the Cloud: Digital traces will be left behind when data is transferred from IoT devices, stored in, or moved within the cloud. By preserving and retrieving these relics, cloud service vendors and ethical hackers can often assist in cyber forensics. They will do so only when the recipient has the legal authority to make such a request.
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