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Apple says that System Integrity Protection is a necessary step to ensure a high level of security. In one of the WWDC developer sessions, Apple engineer Pierre-Olivier Martel described unrestricted root access as one of the remaining weaknesses of the system, saying that "[any] piece of malware is one password or vulnerability away from taking full control of the device".
Historically, MAC was strongly associated with multilevel security (MLS) as a means of protecting classified information of the United States.The Trusted Computer System Evaluation Criteria (TCSEC), the seminal work on the subject and often known as the Orange Book, provided the original definition of MAC as "a means of restricting access to objects based on the sensitivity (as represented by ...
In computer security, jailbreaking is defined as the act of removing limitations that a vendor attempted to hard-code into its software or services. [2] A common example is the use of toolsets to break out of a chroot or jail in UNIX-like operating systems [ 3 ] or bypassing digital rights management (DRM).
An example of such an attack on disk encryption is the "evil maid attack", in which an attacker installs a bootkit on an unattended computer. The envisioned scenario is a maid sneaking into the hotel room where the victims left their hardware. [39] The bootkit replaces the legitimate boot loader with one under their control
Systemless root uses various techniques to gain root access without modifying the system partition of a device. Some root applications may include a "hiding" function, which makes attempts to mask the effects and results of rooting, often by whitelisting certain applications for the root or blocking access to affected files. [34]
Typically, a root shell is aimed for, which grants administrative privileges, to let the user modify operating system files. Root access can be obtained through the use of software exploits (i.e. bugs), through the bootloader console, or over a serial port embedded in the device, such as a JTAG or UART interface.
The following day, The Boston Globe classified the software as spyware, and Computer Associates' eTrust Security Management unit VP Steve Curry confirmed that the rootkit communicates personal information from consumers' computers (the CD being played and the user's IP address) to Sony BMG. [56]
A hacker by the handle of BrazilMac created one of the earliest patching processes that made it convenient for users to install Mac OS X onto 3rd party hardware by using a legally obtained, retail version of Apple Mac OS X. This simplification made the BrazilMac patch and its later revisions quickly the most popular choice for many distros.