Query: explain T1657 Financial Theft
Matching passage: T1657 Financial Theft. Tactics: impact. Description: Adversaries may steal monetary resources from targets through extortion, social engineering, technical theft, or other methods aimed at their own financial gain at the expense of the availability of these resources for victims. Financial theft is the ultimate objective of several popular campaign types including extortion by ransomware,(Citation: FBI-ransomware) business email compromise (BEC) and fraud,(Citation: FBI-BEC) "pig butchering,"(Citation: wired-pig butchering) bank hacking,(Citation: DOJ-DPRK Heist) and exploiting cryptocurrency networks.(Citation: BBC-Ronin) Adversaries may [Compromise Accounts](https://attack.mitre.org/techniques/T1586) to conduct unauthorized transfers of funds.(Citation: Internet crime report 2022) In the case of business email compromise or email fraud, an adversary may utilize [Impersonation](https://attack.mitre.org/techniques/T1684/001) of a trusted entity. Once the social engineering is successful, victims can be deceived into sending money to financial accounts controlled by an adversary.(Citation: FBI-BEC) This creates the potential for multiple victims (i.e., compromised accounts as well as the ultimate monetary loss) in incidents involving financial theft.(Citation: VEC) Extortion by ransomware may occur, for example, when an adversary demands payment from a victim after [Data Encrypted for Impact](https://attack.mitre.org/techniques/T1486) (Citation: NYT-Colonial) and [Exfiltration](https://attack.mitre.org/tactics/TA0010) of data, followed by threatening to leak sensitive data to the public unless payment is made to the adversary.(Citation: Mandiant-leaks) Adversaries may use dedicated leak sites to distribute victim data.(Citation: Crowdstrike-leaks) Due to the potentially immense business impact of financial theft, an adversary may abuse the possibility of financial theft and seeking monetary gain to divert attention from their true goals such as [Data Destruction](https://attack.mitre.org/techniques/T1485) and business
Near-miss passage: T1565.003 Runtime Data Manipulation. Tactics: impact. Description: Adversaries may modify systems in order to manipulate the data as it is accessed and displayed to an end user, thus threatening the integrity of the data.(Citation: FireEye APT38 Oct 2018)(Citation: DOJ Lazarus Sony 2018) By manipulating runtime data, adversaries may attempt to affect a business process, organizational understanding, and decision making. Adversaries may alter application binaries used to display data in order to cause runtime manipulations. Adversaries may also conduct [Change Default File Association](https://attack.mitre.org/techniques/T1546/001) and [Masquerading](https://attack.mitre.org/techniques/T1036) to cause a similar effect. The type of modification and the impact it will have depends on the target application and process as well as the goals and objectives of the adversary. For complex systems, an adversary would likely need special expertise and possibly access to specialized software related to the system that would typically be gained through a prolonged information gathering campaign in order to have the desired impact.