REVZERO SENTINEL — Daily Threat Report HU

Hungary Under Digital Siege: Ukraine Accounts for Nearly Two-Thirds of 546 Cyber Attacks

| Author: REVZERO SENTINEL Editorial | Budapest, Hungary
Even a 12% drop in detected threats offers little comfort. With 546 separate incidents recorded today—249 of them critical severity—Hungary remains firmly in the crosshairs of hostile cyber actors. And the source of the overwhelming majority of these attacks tells a story that Budapest cannot afford to ignore.
546
total events
▼ 11.9%
249
critical
204
high
93
medium

The Ukraine Factor

Let's be blunt: Ukraine is responsible for 63.8% of today's attacks against Hungarian infrastructure. That's 335 separate incidents originating from a neighboring country that has grown increasingly hostile toward Budapest. The political context here is impossible to separate from the technical data. Hungarian-Ukrainian relations have deteriorated sharply throughout 2025 and into 2026, with Kyiv openly condemning Hungary's opposition to war escalation and arms shipments. That hostility has migrated directly into cyberspace.

With parliamentary elections looming, the motivation behind these attacks becomes even clearer. Ukrainian state and non-state actors have every reason to disrupt Hungarian infrastructure, sow chaos, and potentially influence the electoral outcome. A wartime belligerent with sophisticated cyber-offensive capabilities is actively probing Hungarian networks—and doing so at a volume that dwarfs every other threat source combined. This isn't random noise. It's coordinated pressure.

The Eastern Onslaught

When you combine Ukraine's 335 attacks with those from Russia (46), Iran (32), and China (31), the Eastern region accounts for 85.6% of all detected threats against Hungary. That's 449 incidents from actors operating in what can only be described as a hostile cyber geography. Hungary sits in the collision zone between Eastern and Western cyberspace, and the data makes painfully clear which direction the fire is coming from.

Russia and China warrant particular attention. The 46 attacks from Russian sources and 31 from Chinese infrastructure almost certainly involve state-coordinated APT groups rather than opportunistic criminals. These are nations with proven cyberwarfare capabilities, and their interest in Hungarian networks is hardly benign. Iran's 32 attacks add another dimension—Tehran has dramatically expanded its cyber operations in recent years, and Hungary appears on their targeting radar.

Critical Vulnerabilities Under Assault

The nature of today's threats reveals methodical reconnaissance. Of 546 total incidents, 508 involved vulnerability scanning—attackers mapping Hungarian networks, identifying weak points, cataloging entry routes. The remaining 38 were classified as malicious activity, meaning actual intrusion attempts. The attackers are doing their homework.

The port data tells a technical story worth heeding. Port 2375/tcp saw 120 hits—an unusual target associated with Docker APIs that could expose container infrastructure. Port 23/tcp (Telnet) absorbed 110 attacks, a reminder that legacy protocols remain attractive targets for brute-force operators. Port 3389/tcp (RDP) was hammered 93 times, the classic remote desktop attack vector favored by ransomware gangs. Database services weren't spared either: Redis (6379/tcp) faced 86 attempts, Elasticsearch (9200/tcp) 51, and MongoDB (27017/tcp) 5. Someone is clearly hunting for exposed data stores.

Government Networks in the Crosshairs

Nine separate security events struck Hungarian government networks today. Seven of them rated critical severity. This is not random criminal activity seeking quick profit—these are attacks on sovereignty itself. During an election year, when political tensions run at their peak, any compromise of government infrastructure could have cascading effects on public trust and electoral integrity.

The targeting of state networks by Eastern actors, particularly those with documented political grievances against Hungary, should set off alarm bells in every ministry in Budapest. These aren't probing scans from bored teenagers. They're the digital equivalent of rattling the doors of power.

ISP Impact: Civilian Infrastructure Takes the Hit

DIGI absorbed 135 attacks while Magyar Telekom faced 118—Hungary's two largest ISPs bearing the brunt of the assault. Invitech logged 51 incidents. These numbers represent real infrastructure serving real Hungarian citizens and businesses. When attackers probe ISP networks at this scale, they're not just targeting the providers—they're mapping the digital terrain that millions of Hungarians rely upon daily.

Today's 11.9% decrease from yesterday's 620 incidents might look like improvement. It isn't. The attacks are simply settling into a sustained rhythm—a siege rather than a blitz. With Ukraine maintaining its dominant position as the primary threat source, with government networks taking critical hits, and with elections approaching, the pressure will not ease. If anything, expect the next 48 hours to bring renewed intensity. February 24th marks the anniversary of the war in Ukraine—a date laden with symbolic weight. In cyberspace, symbolism often translates to action.

Attack sources by country

Severity distribution

Critical
249
High
204
Medium
93

Threat types

Vulnerability 508
Malicious activity 38

Notable events

Nyitott Docker API (2375/tcp): *.*.*.* (Székesfehérvár)
Critical · Székesfehérvár · Source: Ukraine
Nyitott Docker API (2375/tcp): *.*.*.* (Budapest)
Critical · Budapest · Source: Russia
Nyitott Docker API (2375/tcp): *.*.*.* (Budapest)
Critical · Budapest · Source: Ukraine
Nyitott Home Assistant (2375/tcp): *.*.*.* (Ásotthalom)
Critical · Ásotthalom · Source: Iran
Nyitott nginx (2375/tcp): *.*.*.* (Budapest)
Critical · Budapest · Source: Ukraine
Nyitott Docker API (2375/tcp): *.*.*.* (Vép)
Critical · Vép · Source: Ukraine
Nyitott Transmission (2375/tcp): *.*.*.* (Budapest)
Critical · Budapest · Source: Ukraine
Nyitott Plex Media Server (2375/tcp): *.*.*.* (Szigetszentmiklós)
Critical · Szigetszentmiklós · Source: Ukraine
Nyitott Domoticz (2375/tcp): *.*.*.* (Kiskunhalas)
Critical · Kiskunhalas · Source: Ukraine
Nyitott Docker API (2375/tcp): *.*.*.* (Gödöllő)
Critical · Gödöllő · Source: China

Most targeted ports

2375/tcp 120x
23/tcp 110x
3389/tcp 93x
6379/tcp 86x
9200/tcp 51x
445/tcp 43x
27017/tcp 5x
2/tcp 2x

Affected Hungarian ISPs

DIGI 135 events
Magyar Telekom 118 events
Invitech 51 events
AS62214 31 events
AS47159 18 events
AS43529 15 events
Vodafone HU 15 events
AS56322 14 events

Government infrastructure

In the past 24 hours, 9 events were recorded on government networks, of which 7 were critical severity.

Frequently asked questions

How many cyberattacks hit Hungary on 2026. február 24., kedd?
546 cyber threats were detected, of which 249 were critical severity.
Which country launched the most attacks?
Most attacks originated from Ukraine, accounting for 63.8% of all identified sources.
What types of attacks targeted Hungary?
Detected threats included: Vulnerability, 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. 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.