What do you understand by VM based isolation?
VM (Virtual Machine) based isolation refers to the use of virtualization technology to create isolated environments on a computer system. Isolated Environment: A VM is … Read more
VM (Virtual Machine) based isolation refers to the use of virtualization technology to create isolated environments on a computer system. Isolated Environment: A VM is … Read more
Israel’s Power Grid Hack: Hydropower Plant Hack in Upstate New York (2014): Cyber Worm Targeting Iran’s Infrastructure: Bangladesh Best Group Hacking Indian Websites: Virus for … Read more
Following are the various confinement techniques :
There are three special permissions that are available for executablefiles and directories: Differences: Aspect SUID (Set User ID) SGID (Set Group ID) Sticky Bit Purpose … Read more
Every file and directory in our UNIX/Linux system has following threepermissions : Non-Directories (Regular Files): Directories: So, in summary:
User IDs (UIDs): Types of UIDs in Processes: Subjects and Principals: Objects: User Accounts and UID 0: Mapping Users to Principals:
The confinement principle is like a security rule that prevents a server from spilling out information that should be kept secret according to the user. … Read more
Aspect DAC (Discretionary Access Control) MAC (Mandatory Access Control) 1. Type of Access Control DAC is a type of access control MAC is a type … Read more
Discretionary Access Control (DAC): Advantages: Disadvantages: Mandatory Access Control (MAC): Advantages: Disadvantages:
Following are the different problems in MAC : Requirement of new security levels: a. In MAC, regular people (outside the organization) don’t have a security … Read more