REVZERO SENTINEL — Daily Threat Report HU

Nearly 900 Critical Attacks Hit Hungary as Eastern Cyber Pressure Intensifies

| Author: REVZERO SENTINEL Editorial | Budapest, Hungary
A 24.6% drop in total detections offers little comfort when the numbers still land at 2,015 threats in a single day — and when 899 of those carry critical severity ratings. The siege on Hungarian digital infrastructure shows no signs of lifting, and the targets are getting more specific.
2015
total events
▼ 24.6%
899
critical
642
high
474
medium

Critical Mass

Let's be clear about what these numbers actually mean. Out of 2,015 detected threats, a staggering 899 were classified as critical. Another 642 ranked high. That's 1,541 serious incidents in twenty-four hours — a relentless bombardment that would overwhelm most security operations centers. The 24.6% decrease from yesterday's 2,672 detections sounds like good news on paper. To put it bluntly, it isn't. When you're taking nearly a thousand critical hits daily, a fractional improvement changes nothing on the ground.

The threat profile is equally telling: 1,963 vulnerability detections dominate the landscape, with 50 confirmed malicious activities and 2 network reconnaissance probes. Attackers aren't just knocking on doors anymore — they're systematically mapping weaknesses across Hungarian networks, looking for the cracks that let them walk right in.

Eastern Vectors

Hungary occupies an uncomfortable position in the cyber geography of 2026. Sitting at the collision point between Eastern and Western cyberspace, the country absorbs pressure from multiple directions simultaneously. The Eastern region accounted for 17.3% of identified attacks — 9 incidents traced to Russia (4), Romania (3), and Iran (2). These aren't random script kiddies testing their luck.

Russia's four attacks carry the signature weight of state-coordinated operations. Russian APT groups have refined their playbook over years of hybrid warfare, and Hungary's position — critical of Western war escalation policies, yet integrated into EU infrastructure — makes it both a target and a transit point. Iran's presence, while smaller in volume, signals willingness to project cyber power into Central European territory. When Tehran's operators show up in your logs, you're no longer dealing with regional criminal syndicates. You're in the crosshairs of state-level adversaries.

Government Networks Under Fire

Fifty-two critical-severity events struck government networks yesterday. Out of 94 total government incidents, more than half demanded immediate emergency response. With parliamentary elections looming, these numbers should set off alarm bells across every ministry in Budapest.

This isn't opportunistic scanning. Government infrastructure represents sovereignty itself, and repeated critical-level intrusions during an election year carry unmistakable political weight. Foreign actors — whether state-sponsored or politically motivated non-state groups — understand that disrupting government networks sows chaos, erodes public trust, and can potentially influence electoral outcomes. The timing is hardly coincidental.

Infrastructure in the Crosshairs

The port data reveals a calculated targeting strategy. Port 8080 absorbed 169 hits — alternative HTTP traffic, often used for web application interfaces and administrative panels. Port 6379 (Redis database) and 27017 (MongoDB) saw 125 attacks each. Attackers are hunting for exposed databases, cached data, and poorly secured backend systems. Port 445, the Windows SMB protocol that powered WannaCry and countless subsequent exploits, registered 83 attempts. Someone is clearly looking for unpatched Windows systems.

Perhaps most concerning is the 75 attacks on port 6443 — the Kubernetes API port. Container orchestration systems control massive swaths of modern infrastructure. Compromise there doesn't just mean data theft; it means potential control over the entire application layer. Magyar Telekom (335 incidents), DIGI (258), and Invitech (169) bore the brunt of this assault, but the ripple effects extend to every organization depending on these carriers.

Tomorrow won't bring relief. The 2026 election calendar guarantees heightened attention from foreign actors with vested interests in Hungary's political direction. State-level operators from multiple adversarial nations have demonstrated both capability and intent. The slight numerical dip means nothing when critical vulnerabilities remain exposed and government networks absorb dozens of emergency-level incidents daily. Hungary isn't a secondary target anymore — it's a frontline.

Attack sources by country

Severity distribution

Critical
899
High
642
Medium
474

Threat types

Vulnerability 1963
Malicious activity 50
Network scan 2

Notable events

Sebezhető: MongoDB — Budapest (Invitech ICT Services Kft.) — 4 CVE
High · Budapest
Nyitott MongoDB (27017/tcp) — Budapest, EDIS Infrastructure in Hungary
Critical · Budapest
Sebezhető: MongoDB — Cegléd (Magyar Telekom leased line customers) — 73 CVE
Critical · Cegléd
Nyitott MongoDB (27017/tcp) — Budapest, M247 LTD Budapest Infrastructure
Critical · Budapest
Sebezhető: MongoDB — Budapest (DomainTank Informatikai Kft) — 56 CVE
Critical · Budapest
Sebezhető: MongoDB — Budapest (RackForest) — 62 CVE
Critical · Budapest
Sebezhető: MongoDB — Budapest (SzerverPlex.hu Kft.) — 62 CVE
Critical · Budapest
Nyitott nginx (27017/tcp) — Budapest
Critical · Budapest
Nyitott Plex Media Server 1.41.5.9626-9ba082670 (27017/tcp) — Vép, GERANT Kereskedelmi es Szolgaltato Kft
Critical · Vép
Nyitott nginx (27017/tcp) — Sajóbábony, Sajo Es Tarsa Kft
Critical · Sajóbábony

Most targeted ports

8080/tcp 169x
10000/tcp 138x
6379/tcp 125x
27017/tcp 125x
9000/tcp 97x
445/tcp 83x
3000/tcp 78x
6443/tcp 75x
2083/tcp 61x
80/tcp 59x

Affected Hungarian ISPs

Magyar Telekom 335 events
DIGI 258 events
AS62214 203 events
Invitech 169 events
Vodafone HU 94 events
AS41075 80 events
KIFÜ/NIIF 57 events
Yettel HU 54 events

Government infrastructure

In the past 24 hours, 94 events were recorded on government networks, of which 52 were critical severity.

Frequently asked questions

How many cyberattacks hit Hungary on 2026. február 28., szombat?
2015 cyber threats were detected, of which 899 were critical severity.
Which country launched the most attacks?
Most attacks originated from India, accounting for 11.5% of all identified sources.
What types of attacks targeted Hungary?
Detected threats included: Vulnerability, 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. 3 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.