Large companies are hit by cyberattacks at an above average rate, according to the Cybersecurity Monitor of Dutch statistics bureau CBS for 2018. Among companies of 250+ employees, 39 percent were hit at least once by a cyberattack in 2016, such as a hack or DDoS attack. By contrast, around 9 percent of small companies (2-10 employees) were confronted with such an ICT incident.
Of the larger companies, 23 percent suffered from failure of business processes due to the outside cyberattacks. This compares to 6 percent for the smaller companies. Of all ICT incidents, failures were most common, for all sizes, though again, the larger companies were more affected (55%) than the smaller ones (21%). The incidents led to costs for both groups of companies.
Chance of incident bigger at large company
CBS noted that ICT incidents can arise from both from an outside attack and from an internal cause, such as incorrectly installed software or hardware or from the unintentional disclosure of data by an employee. The fact that larger companies suffer more from ICT incidents can be related to the fact that more people work with computers; this increases the chance of incidents. In addition, larger companies often have a more complex ICT infrastructure, which can cause more problems.
The number of ICT incidents also varies per industry. For example, small businesses in the ICT sector (12%) and industry (10%) often suffer from ICT incidents due to external attacks. Small companies in the hospitality sector (6%) and health and welfare care (5%) were less often confronted with cyberattacks.
Internal cause more common at smaller companies
Compared to larger companies, ICT incidents at small companies more often have an internal cause: 2 out 3, compared to 2 out of 5 for larger companies. ICT incidents at small companies in health and welfare care most often had an internal cause (84%). In the ICT sector, this share was 60 percent.
About 7 percent of companies with an ICT incident report them to one or more authorities, including police, the Dutch Data Protection Authority AP, a security team or their bank. The largest companies report ICT incidents much more often (41%) than the smallest companies (6%). Large companies report these ICT incidents most frequently to the AP, complying with law. After that, most reports are made to the police. The smallest companies report incidents most often to their bank.
Smaller: less safe
Small businesses are less often confronted with ICT incidents and, in comparison with large companies, take fewer security measures. Around 60 percent of small companies take three or more measures. This goes to 98 percent for larger companies.