Cyberattacks can disrupt corporations, and you've seen that play out in recent weeks. UnitedHealth Group (NYSE: UNH) fell roughly $14 billion behind in paying claims after a hacker group attacked Change Healthcare, UnitedHealth's technology subsidiary, which processes claims.

The attack meant providers couldn't be paid, stressing the healthcare system and forcing UnitedHealth to advance loans to keep care providers afloat. It's a black eye for the company, and the stock has backpedaled from its 52-week high.

Despite the recent chaos, this temporary setback could be a buying opportunity for long-term investors.

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Source Fool.com