Forget ransomware - most firms think quantum computing is the biggest
security risk to come

Date:
Fri, 11 Jul 2025 15:24:00 +0000

Description:
Quantum computers will break modern encryption sooner or later - and
companies in critical industries need to be prepared.

FULL STORY ======================================================================Quantum computers will soon be able to break modern-day encryption When that happens, nation-states can abuse the tech to steal sensitive files Organizations need to prepare today, Capgemini says

Sooner or later, quantum computers will be able to break through todays encryption , and when that happens, critical industries such as defense, critical infrastructure, telecommunications, and others, will be at risk of nation-state attackers with enough resources to use the advanced tech for nefarious purposes such as espionage or data theft, research has warned.

In fact, many nation-states are likely harvesting encrypted data already, in preparation of that Q-day moment - an attack dubbed harvest now, decrypt later.

A new report from the Capgemini Research Institute surveyed 1,000 organizations with annual revenue of at least $1 billion across 13 sectors
and 13 countries in AsiaPacific, Europe, and North America, finding the majority of the respondents (around 70%) are referred to as early adopters - meaning theyre either working, or planning to work on quantum-safe solutions, within the next five years. Harvest now, decrypt later

Capgeminis researchers found that two-thirds (65%) of respondents are already concerned about the rise of harvest-now-decrypt-later attacks, with one in
six early adopters believing Q-day will happen within the next five years.

Even more, around 60%, believe Q-day will happen within a decade from now.

To mitigate the risk, businesses in vital industries should transition to post-quantum protections as soon as possible.

Transitioning early ensures business continuity, regulatory alignment, and long-term trust, said Marco Pereira, Global Head of Cybersecurity, Cloud Infrastructure Services at Capgemini.

Quantum safety is not a discretionary spend but a strategic investment, which can turn a looming risk into a competitive advantage. The organizations that recognize this fact early will best insulate themselves against future cyber-attacks.

The report also states that most organizations surveyed (70%) are already protecting their systems against emerging quantum threats through a mix of post-quantum cryptographic algorithms. You might also like Prediction: 2025
is the year quantum computing advances from physical qubits to logical qubits Take a look at our guide to the best authenticator app We've rounded up the best password managers



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Link to news story: https://www.techradar.com/pro/security/forget-ransomware-most-firms-think-quan tum-computing-is-the-biggest-security-risk-to-come


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