Data Breach

March 5, 2025

Data Breach

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cybersecurity insurance, cyber risk assessment, cybersecurity best practices data breach hacker incident CISO flaw hypothesis methodology define rmmWhat is a Data Breach?

A  security incident where unauthorized people access sensitive information is typically referred to as a data breachThis can include personal data like Social Security numbers, or corporate data like customer records. It can be the result of a hacker successfully breaking into a system, gaining control of its network and exposing its data, usually personal data covering items such as credit card numbers, bank account numbers, Social Security numbers, and much more.

Types of data breaches: 

Other Definitions: Fortinet Definition

Causes of breaches:

HackersHackers can use malware, password attacks, and social engineering to access data 

Malicious insidersCurrent or former employees can steal or leak data to third parties 

HacktivistsHacktivists can intentionally cause breaches in the name of a cause. 

State actorsState actors can intentionally cause breaches for political reasons. 

Steps to manage a breach: 

  • Contain the breach
  • Notify those affected
  • Conduct a security audit

How to protect against breaches

Use strong passwords, keep software up to date, Be wary of social engineering attacks, and protect against physical attacks.