"This is a serious incident" - Kingdom Come: Deliverance developer Warhorse suffers cyberattack

eurogamer.net Oct 28, 2026

“This is a serious incident” – Kingdom Come: Deliverance developer Warhorse suffers cyberattack

Curated by Shubham · TechCapsules · Oct 28, 2026

AI-summarised brief · reviewed before publication

Warhorse Studios, the Czech developer behind Kingdom Come: Deliverance, announced on Thursday that it has been hit by a “serious” cyberattack. The studio released a statement at 11 a.m. GMT apologizing to players and confirming that it has engaged cybersecurity specialists to contain the breach and assess its full impact. CEO Martin Frývaldský told a Czech news outlet that the priority is to secure systems, protect employees, partners and the community, and allocate all necessary resources to the response. Warhorse, which is developing a high‑profile open‑world Middle‑Earth RPG based on Tolkien’s works and a new Kingdom Come adventure—presumed to be a sequel—has not provided further updates since the initial notice.

💡 Why It Matters

· The attack threatens the development timeline of two highly anticipated titles, potentially delaying releases that could shape the studio’s future market position.

Capsules Cybersecurity

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💡 The widespread use of Brotli in cloud services means the vulnerability could affect millions of deployed applications, turning a routine compression library into a mass‑exploitation vector. Prompt patching is essential to prevent large‑scale crashes and potential remote code execution across critical infrastructure.

thehackernews.com · Oct 28

Tailscale Patches SSH Flaws That Could Let Hacked Devices Gain Root Access…

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💡 By turning a trusted device into a conduit for root‑only sockets, the flaw enabled near‑instant lateral escalation across an organization’s zero‑trust network, forcing admins to reassess device‑based trust models.

quantumcomputingreport.com · Oct 28

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IonQ announced the launch of an operational hybrid quantum‑safe security network linking its Geneva and Seoul facilities. The architecture combines physical quantum‑key distribution (QKD) with algorithmic post‑quantum cryptography (PQC) to protect mission‑critical data and communications against “harvest‑now‑decrypt‑later” attacks. By using QKD for short‑range, high‑density endpoints and PQC for long‑distance key agreement, the deployment overcomes the photon‑attenuation limits of conventional fiber links without relying on untrusted repeaters. IonQ frames the link as a repeatable, defense‑in‑depth blueprint for multinational enterprises and sovereign bodies facing accelerated post‑quantum migration deadlines. The rollout coincides with industry‑wide warnings that 256‑bit elliptic‑curve cryptography could be broken by mid‑2020s quantum computers, prompting tighter regulatory timelines for quantum‑resistant encryption.

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thehackernews.com · Oct 28

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💡 By fixing hard dates for PQC adoption, NIST forces organizations to confront “harvest‑now, decrypt‑later” threats before quantum computers become capable of breaking today’s encryption.

thehackernews.com · Oct 27

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💡 Hundreds of millions of network‑critical devices could stay insecure for months, giving attackers a stealthy path to hijack management interfaces.