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Data exfiltration occurs when malware and/or a malicious actor carries out an unauthorized data transfer from a computer. It is also commonly called data extrusion or data exportation. Data exfiltration is also considered a form of data theft. Since the year 2000, a number of data exfiltration efforts severely damaged the consumer confidence ...
A cyber kill chain reveals the phases of a cyberattack: from early reconnaissance to the goal of data exfiltration. [8] The kill chain can also be used as a management tool to help continuously improve network defense. According to Lockheed Martin, threats must progress through several phases in the model, including:
In 2014, researchers introduced ″AirHopper″, a bifurcated attack pattern showing the feasibility of data exfiltration from an isolated computer to a nearby mobile phone, using FM frequency signals. [5] [6] In 2015, "BitWhisper", a covert signaling channel between air-gapped computers using thermal manipulations, was introduced.
Once in the system, the gang proceeds to reconnaissance, lateral movement, and exfiltration to set the stage for the deployment of their ransomware. Then Clop coerces their victim by sending emails in a bid for negotiations. If their messages are ignored, they threaten to publicize the data on their data leak website “Cl0p^_-Leaks”. [5]
Data loss prevention (DLP) software detects potential data breaches/data exfiltration transmissions and prevents them by monitoring, [1] detecting and blocking sensitive data while in use (endpoint actions), in motion (network traffic), and at rest (data storage). [2] The terms "data loss" and "data leak" are related and are often used ...
Information disclosure (privacy breach or data leak) Denial of service; Elevation of privilege [4] The STRIDE was initially created as part of the process of threat modeling. STRIDE is a model of threats, used to help reason and find threats to a system. It is used in conjunction with a model of the target system that can be constructed in ...
BlackCat's innovation was to post excerpts or samples of victims' data on a site accessible to anyone with a web browser. Security experts believe the tactic is intended to demonstrate more credibility to their claims of breaching victims' systems and increase pressure on organizations to pay ransoms to prevent full public exposure of their ...
The first breach, named "X1" by the Department of Homeland Security (DHS), was discovered March 20, 2014 when a third party notified DHS of data exfiltration from OPM's network. [ 8 ] With regards to the second breach, named "X2", the New York Times had reported that the infiltration was discovered using United States Computer Emergency ...