In the past 24 hours, 43 cyber threats were detected against Hungary, representing a 4.9% increase compared to the previous day. 40 critical and 3 high severity events were recorded.
43
total events
▲ 4.9%
40
critical
3
high
0
medium
Attack sources by country
-
#1
United States
37.2%
16
-
#2
Netherlands
9.3%
4
-
#3
Germany
9.3%
4
-
#4
United Kingdom
9.3%
4
-
#5
Romania
7.0%
3
-
#6
UZ
4.7%
2
-
#7
Hong Kong
4.7%
2
-
#8
China
4.7%
2
-
#9
AU
4.7%
2
-
#10
Ukraine
4.7%
2
Severity distribution
Threat types
Malicious activity
40
Network scan
3
Notable events
Kártékony IP: *.*.*.* (US) → Pecs
Kártékony IP: *.*.*.* (AU) → Debrecen
Kártékony IP: *.*.*.* (US) → Gyor
Kártékony IP: *.*.*.* (DE) → Veszprem
Kártékony IP: *.*.*.* (NL) → Gyor
Kártékony IP: *.*.*.* (UA) → Szeged
Kártékony IP: *.*.*.* (GB) → Budapest
Kártékony IP: *.*.*.* (GB) → Szekesfehervar
Kártékony IP: *.*.*.* (US) → Budapest
Kártékony IP: *.*.*.* (CN) → Kecskemet
Affected Hungarian ISPs
Magyar Telekom
23 events
DIGI
11 events
Vodafone HU
7 events
Yettel HU
1 events
Invitech
1 events
Frequently asked questions
How many cyberattacks hit Hungary on 2026. május 17., vasárnap?
43 cyber threats were detected, of which 40 were critical severity.
Which country launched the most attacks?
Most attacks originated from United States, accounting for 37.2% of all identified sources.
What types of attacks targeted Hungary?
Detected threats included: Malicious activity, Network scan.
What is REVZERO SENTINEL?
REVZERO SENTINEL is a real-time cyber threat monitoring system that collects and analyzes cyberattacks targeting Hungary from multiple independent threat intelligence sources.
Methodology and data sources
The REVZERO SENTINEL editorial team collects data from multiple independent, publicly available threat intelligence sources. 2 active sources continuously monitor cyber threats targeting Hungary. Only aggregated, anonymized data appears in reports — no information suitable for identifying individual targets is published.
REVZERO SENTINEL serves the protection of Hungary's cyberspace. It operates independently and has no affiliation with any government agency.