Some breaches, like ransomware, are obvious, because they won't let you use your systems without paying a fee. But malware, phishing and other breaches can be elusive because they run in the background and secretly steal your data. (Shutterstock) Some breaches, like ransomware, are obvious, because they won't let you use your systems without paying a fee. But malware, phishing and other breaches can be elusive because they run in the background and secretly steal your data. (Shutterstock)

The questions start swirling:

Data breaches happen quickly, regardless of whether they result from a phishing attack, malware, a card-skimming device or ransomware. But the aftermath lasts for more than a year.

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