In computer security, privilege bracketing is a temporary increase in software privilege within a process to perform a specific function, assuming those necessary privileges at the last possible moment and dismissing them as soon as no longer strictly necessary, therefore ostensibly avoiding fallout from erroneous code that unintentionally exploits more privilege than is merited. It is an example of the use of principle of least privilege in defensive programming.
It should be distinguished from privilege separation, which is a much more effective security measure that separates the privileged parts of the system from its unprivileged parts by putting them into different processes, as opposed to switching between them within a single process.
A known example of privilege bracketing is in Debian/Ubuntu: using the 'sudo' tool to temporarily acquire 'root' privileges to perform an administrative command.[1] A Microsoft Powershell equivalent is "Just In Time, Just Enough Admin".[2]
^"Linux 101: Introduction to sudo". 12 May 2010.
^"JitJea: A Windows PowerShell Toolkit to Secure a Post-Snowden World".
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institutions. Otherwise known as bank–client confidentiality or banker–client privilege, the practice was started by Italian merchants during the 1600s near Northern...
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editorial disputes. Administrators are not supposed to enjoy any special privilege in decision-making; instead, their powers are mostly limited to making...
municipalities, including Denver and Aurora (flat-fee Occupational Privilege tax for privilege of working or conducting business; filed with municipality imposing...
collects personal income taxes in five brackets: 2.59%, 2.88%, 3.36%, 4.24% and 4.54%. The state transaction privilege tax is 5.6%; however, county and municipal...
British North America Act to safeguard existing educational rights and privileges of the Protestant and Catholic minorities. Thus, separate Catholic schools...
of a people and how it affects their concepts of beauty, wealth, and privilege. A key difference between racism and colorism is that while racism deals...
Free agents are not guaranteed to be signed and may lose their playing privileges in 2024 if they are not signed. The free agency period began on 16 November...
which the DA could move to disqualify the lawyer due to attorney–client privilege and because she reputedly disclosed confidential information to his firm...
of a breach of privilege or affecting the powers and privileges of Parliament or relating to a report of the Committee of Privileges. Public business...
skies, either drawn, in Didier's theory by connecting the constellations bracketing the north celestial pole as a square, or in Pankenier's theory by connecting...
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tax either impose the tax on retail sellers, such as with Transaction Privilege Tax in Arizona, or impose it on retail buyers and require sellers to collect...
special privileges, prestige, and property, a bulwark of Conservatism. The army, another Conservative-dominated institution, also retained its privileges. Former...
began the competition in the preliminary round starting in April. Hosting privileges up to the semi-finals will be determined based on a three-year Canadian...
to Earth. Armstrong: Thank you, Mr. President. It's a great honor and privilege for us to be here, representing not only the United States, but men of...
Ass match at SummerSlam on August 22, 1999. The Rock was also given the privilege of having his own signature match, like The Undertaker with the Buried...
the split-title period), in which the incumbent champion had no special privileges. The FIDE World Chess Championship 2005, in which eight players (including...
In contrast to the 1912 REGULATIONS, this Act bracketed Coloured with whites in a position of privilege. For there was no question of segregating the...
public finance administration, the abolition of all feudal rights and privileges, the abolition of slavery and the granting of freedom to all Turkish and...
cookies. An HTA runs as a fully trusted application and therefore has more privileges, like creation/editing/removal of files and Windows Registry entries....
are covered by absolute privilege, but the reporting of those proceedings in newspapers is only covered by qualified privilege. Another example of the...
status. Norms of allocation can also affect the distribution of rights and privileges, social power, access to public goods such as education or the judicial...
Machine Mozilla Foundation, Mozilla Foundation Security Advisory 2005–41: Privilege escalation via DOM property overrides Archived 2014-06-04 at the Wayback...
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