European Union Agency for Cybersecurity (ENISA) releases its report into telecom security incidents in 2024. A 20.5% increase over 2023
July 21, 2025 |
ENISA releases annual reports of security incidents every year. This year it reported 188 incidents submitted by national authorities from 26 EU Member States and two European Free Trade Association (EFTA) countries. This is an increase of 20.5% over 2023, with 156 incidents from 26 EU Member States and one EFTA country. That said there was a reduction in user hours lost according to the press release.
According to the report:
- most incidents (178) were service outages;
- incidents with very large impact rose by 19.5%, from 77 in 2023 to 92 in 2024;
- system failures remained the top cause (60%), resulting in 548 million user hours lost;
- human errors caused 402 million hours lost, more than double the previous year;
- natural phenomena incidents increased, causing 605 million hours lost;
- malicious actions declined slightly to 15 incidents and 184 million hours lost; and
- mobile telephony and mobile internet were the most affected services, and fixed internet incidents increased from 16% to 26%.
Telecommunications continue to be a key area of attraction for hackers.