Blar i NTNU Open på forfatter "Alendal, Gunnar"
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Chip chop — smashing the mobile phone secure chip for fun and digital forensics
Alendal, Gunnar; Axelsson, Stefan; Dyrkolbotn, Geir Olav (Peer reviewed; Journal article, 2021)Performing mobile phone acquisition today requires breaking—often hardware assisted—security. In recent years, Embedded Secure Element (eSE) hardware has been introduced in mobile phones, with a view towards increasing the ... -
Digital Forensic Acquisition Kill Chain – Analysis and Demonstration
Alendal, Gunnar; Dyrkolbotn, Geir Olav; Axelsson, Stefan (Journal article; Peer reviewed, 2021)The increasing complexity and security of consumer products pose major challenges to digital forensics. Gaining access to encrypted user data without user credentials is a very difficult task. Such situations may require ... -
Digital Forensic Acquisition of mobile phones in the Era of Mandatory Security: Offensive Techniques, Security Vulnerabilities and Exploitation
Alendal, Gunnar (Doctoral theses at NTNU;2022:94, Doctoral thesis, 2022)The increased use of consumer electronics like computers, mobile phones, smart watches, external hard drives, etc. has made digital forensics more important for law enforcement. Consumer products now contain more information ... -
Exploiting Vendor-Defined Messages in the USB Power Delivery Protocol
Alendal, Gunnar; Axelsson, Stefan; Dyrkolbotn, Geir Olav (Journal article; Peer reviewed, 2019)The USB Power Delivery protocol enables USB-connected devices to negotiate power delivery and exchange data over a single connection such as a USB Type-C cable. The protocol incorporates standard commands;however, it also ... -
Forensics Acquisition — Analysis and Circumvention of Samsung Secure Boot enforced Common Criteria Mode
Alendal, Gunnar; Dyrkolbotn, Geir Olav; Axelsson, Stefan (Journal article; Peer reviewed, 2018)The acquisition of data from mobile phones have been a mainstay of criminal digital forensics for a number of years now. However, this forensic acquisition is getting more and more difficult with the increasing security ... -
Leveraging The USB Power Delivery Implementation For Digital Forensic Acquisition
Alendal, Gunnar; Axelsson, Stefan; Dyrkolbotn, Geir Olav (Peer reviewed; Journal article, 2021)Modern consumer devices present major challenges in digital forensic investigations due to security mechanisms that protect user data. The entire physical attack surface of a seized device such as a mobile phone must be ...