Security News > 2021 > July > Healthcare suffering from DNS attacks more than other industries

The healthcare industry experienced devastating effects from DNS attacks during the COVID-19 pandemic, more so than other industries, a report from EfficientIP and IDC shows.

The report shows that healthcare is more vulnerable than other industries to a variety of consequences from attacks: healthcare is the most likely industry to suffer application downtime, with 53% of healthcare companies in the survey reporting that.

"We all knew that the healthcare industry would be a prime target for cyberattacks during the pandemic," says Ronan David, VP of Strategy for EfficientIP. Healthcare suffered an average of 6.71 DNS attacks over a 12-month period, and it took an average 6.28 hours to mitigate each attack, which is higher than the all-industry average of 5.62 hours.

The most common DNS attack type in healthcare, like many other industries, is phishing; 49% of the healthcare companies surveyed experienced a phishing attack, which matches the average for all industries.

DNS-based malware is also popular in healthcare at 36%, as is DNS tunneling at 29% and DNS domain hijacking at 28%. Compared to the all-industry average, healthcare saw relatively low rates of things like DDoS attacks.

The report shows that the healthcare industry is planning, implementing or running zero trust initiatives more than other industries, and is the strongest believer that DNS domain deny-and-allow lists are valuable for zero trust.

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