In the past 24 hours, 40 cyber threats were detected against Hungary, representing a 4.8% decrease compared to the previous day. 40 critical and 0 high severity events were recorded.
40
total events
▼ 4.8%
40
critical
0
high
0
medium
Attack sources by country
-
#1
United States
20.0%
8
-
#2
Netherlands
15.0%
6
-
#3
Brazil
10.0%
4
-
#4
Hong Kong
10.0%
4
-
#5
United Kingdom
10.0%
4
-
#6
Romania
5.0%
2
-
#7
AF
5.0%
2
-
#8
Japan
5.0%
2
-
#9
CA
5.0%
2
-
#10
CO
5.0%
2
Severity distribution
Threat types
Malicious activity
40
Notable events
Kártékony IP: *.*.*.* (CO) → Gyor
Kártékony IP: *.*.*.* (NL) → Budapest
Kártékony IP: *.*.*.* (US) → Budapest
Kártékony IP: *.*.*.* (TH) → Budapest
Kártékony IP: *.*.*.* (NL) → Szekesfehervar
Kártékony IP: *.*.*.* (GB) → Budapest
Kártékony IP: *.*.*.* (HK) → Szolnok
Kártékony IP: *.*.*.* (US) → Budapest
Kártékony IP: *.*.*.* (BG) → Szekesfehervar
Kártékony IP: *.*.*.* (GB) → Budapest
Affected Hungarian ISPs
Magyar Telekom
14 events
Vodafone HU
11 events
DIGI
8 events
Yettel HU
5 events
Invitech
2 events
Frequently asked questions
How many cyberattacks hit Hungary on 2026. május 21., csütörtök?
40 cyber threats were detected, of which 40 were critical severity.
Which country launched the most attacks?
Most attacks originated from United States, accounting for 20.0% of all identified sources.
What types of attacks targeted Hungary?
Detected threats included: Malicious activity.
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. 1 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.