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In statistics and machine learning, leakage (also known as data leakage or target leakage) is the use of information in the model training process which would not be expected to be available at prediction time, causing the predictive scores (metrics) to overestimate the model's utility when run in a production environment.
[3] [2] Some researchers include other types of information, for example intellectual property or classified information. [4] However, companies mostly disclose breaches because it is required by law, [5] and only personal information is covered by data breach notification laws. [6] [7]
The terms "data loss" and "data leak" are related and are often used interchangeably. [3] Data loss incidents turn into data leak incidents in cases where media containing sensitive information are lost and subsequently acquired by an unauthorized party. However, a data leak is possible without losing the data on the originating side.
In computer programming, a weak reference is a reference that does not protect the referenced object from collection by a garbage collector, unlike a strong reference.An object referenced only by weak references – meaning "every chain of references that reaches the object includes at least one weak reference as a link" – is considered weakly reachable, and can be treated as unreachable and ...
The link to the data that included the files was made using a feature in Azure called “SAS tokens,” which let users create sharable links. Wiz first discovered the access to the data on June ...
[2] [3] As a result of data breaches, it is estimated that in first half of 2018 alone, about 4.5 billion records were exposed. [4] In 2019, a collection of 2.7 billion identity records, consisting of 774 million unique email addresses and 21 million unique passwords, was posted on the web for sale. [ 5 ]
A modern example of information leakage is the leakage of secret information via data compression, by using variations in data compression ratio to reveal correlations between known (or deliberately injected) plaintext and secret data combined in a single compressed stream. [1]
However, the implementation of the leaky bucket as a meter (or token bucket) in a traffic shaping function described above is an exact equivalent to the description of the leaky bucket as a queue: [3] the delay element of the meter version is the bucket of the queue version; the bucket of the meter version is the process that services the queue ...