Critical infrastructure

Quantum encryption achieves new milestone without cryogenics

Computer scientists at Toshiba Europe have set a new record by distributing quantum encryption keys across 158 miles using standard computer equipment and existing fibre-optic infrastructure.

Instead of relying on expensive cryogenic cooling, which is often required in quantum computing, the team achieved this feat at room temperature, marking a significant breakthrough in the field.

Experts believe this development could lead to the arrival of metropolitan-scale quantum encryption networks within a decade.

David Awschalom, a professor at the University of Chicago, expressed optimism that quantum encryption would soon become commonplace, reflecting a growing confidence in the potential of quantum technologies instead of viewing them as distant possibilities.

Quantum encryption differs sharply from modern encryption, which depends on mathematical algorithms to scramble data. Instead of mathematical calculations, quantum encryption uses the principles of quantum mechanics to secure data through Quantum Key Distribution (QKD).

Thanks to the laws of quantum physics, any attempt to intercept quantum-encrypted data would immediately alert the original sender, offering security that may prove virtually unbreakable.

Until recently, the challenge was distributing quantum keys over long distances because traditional fibre-optic lines distort delicate quantum signals. However, Toshiba’s team found a cost-effective solution using twin-field quantum key distribution (TF-QKD) instead of resorting to expensive new infrastructure.

Their success could pave the way for a quantum internet within decades, transforming what was once considered purely theoretical into a real-world possibility.

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MTN confirms cybersecurity breach and data exposure

MTN Group has confirmed a cybersecurity breach that exposed personal data of some customers in certain markets. The telecom giant assured the public, however, that its core infrastructure remains secure and fully operational.

The breach involved an unknown third party gaining unauthorised access to parts of MTN’s systems, though the company emphasised that critical services, including mobile money and digital wallets, were unaffected.

In a statement released on Thursday, MTN clarified that investigations are ongoing, but no evidence suggests any compromise of its central infrastructure, such as its network, billing, or financial service platforms.

MTN has alerted the law enforcement of South Africa and is collaborating with regulatory bodies in the affected regions.

The company urged customers to take steps to safeguard their data, such as monitoring financial statements, using strong passwords, and being cautious with suspicious communications.

MTN also recommended enabling multi-factor authentication and avoiding sharing sensitive information like PINs or passwords through unsecured channels.

While investigations continue, MTN has committed to providing updates as more details emerge, reiterating its dedication to transparency and customer protection.

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New research highlights escalating cyberthreats to global energy sector

Resecurity has published new research examining recent cyber threat activity targeting energy infrastructure across North America, Asia, and the European Union. The report, a continuation of Resecurity’s earlier analysis, focuses on incidents involving energy firms, including nuclear facilities and associated research entities.

According to the findings, these organisations are being targeted by various threat actors, including hacktivist groups, ransomware operators, and nation state entities. The report observes that geopolitical tensions remain a significant factor behind many of these activities, with actors associated with China, Iran, North Korea, and Russia among those identified.

The primary focus of these campaigns has been cyber-espionage, although incidents involving ransomware operations against operational technology (OT) systems have also been reported. The convergence of IT and OT systems, the growing use of cloud technologies, and the increased deployment of Industrial Internet of Things (IIoT) devices are noted as factors contributing to the expanded attack surface within the sector.

Resecurity’s HUNTER unit documented various threat actors engaged in targeting critical infrastructure. The report emphasises the need for energy firms to monitor potential exposure of credentials across dark web platforms, particularly due to vulnerabilities within IT and software supply chains.

Technological developments such as AI adoption within the energy sector are also discussed as contributing to the evolving threat landscape. AI is reported to lower entry barriers for certain types of cyber operations, while its integration into critical infrastructure networks introduces additional risks.

The Resecurity analysis also underscores the role of cyber supply chain risks, citing the MOVEit managed file transfer breach as an example of downstream impacts affecting multiple layers of vendors and service providers.

In response to these developments, the US Department of Energy (DOE), alongside the National Association of Regulatory Utility Commissioners (NARUC), issued updated cybersecurity guidelines in 2024 aimed at strengthening the resilience of electric distribution systems and distributed energy resources.

Overall, the research identifies an increase in cyberattacks targeting energy infrastructure globally, suggesting that some of these activities may be linked to broader geopolitical strategies. The report highlights the involvement of both state-sponsored and criminal actors in shaping this threat environment.

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Researchers report espionage campaign targeting government and critical sectors in Southeast Asia

Symantec has reported that the China-linked espionage group known as Billbug—also referred to as Lotus Blossom, Lotus Panda, Bronze Elgin, and Thrip—conducted a sustained intrusion campaign against multiple organizations in a Southeast Asian country between August 2024 and February 2025. The campaign involved the use of several custom tools, including loaders, credential stealers, and a reverse SSH utility.

According to Symantec, this activity appears to continue a series of operations previously observed in late 2023, which targeted various government and critical infrastructure organisations across Southeast Asia. While Chinese attribution has been suggested, specific attribution to an individual actor remains inconclusive. Identified targets include a government ministry, an air traffic control organisation, a telecommunications provider, and a construction company.

Additional intrusions were reported against a news agency and an air freight company in neighbouring countries. The campaign leveraged DLL sideloading techniques, utilising legitimate executables from Trend Micro and Bitdefender to load malicious code.

Symantec’s analysis detailed how these binaries were used to sideload malicious DLLs, which decrypted and executed payloads designed to maintain persistence and enable further compromise of targeted systems. Billbug has been active since at least 2009, with a documented history of targeting government, defence, telecommunications, and critical infrastructure sectors in Southeast Asia and beyond.

Symantec and other cybersecurity researchers have tracked the group across multiple campaigns, including previous operations involving backdoors like Hannotog and Sagerunex. The recent report also references related findings from Cisco Talos, which provided indicators of compromise connected to the same campaign.

Symantec noted that Billbug continues to adapt its techniques, including the use of compromised legitimate software and custom malware, to conduct espionage operations across the region.

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Dutch Ministry of Defence expands recruitment of cyber reservists to support national cybersecurity efforts

The Dutch Ministry of Defence has announced plans to expand its cyber defence capabilities by recruiting additional cyber reservists, according to NOS. The initiative is part of the Ministry’s strategy to strengthen cybersecurity expertise within its armed forces, with recruitment efforts scheduled to intensify after the summer. Several reservist positions have already been advertised online.

Cyber reservists are civilian professionals with digital security expertise who contribute part-time to the military’s cyber operations. Typically employed under zero-hour contracts, they may be called upon to support defence activities during evenings, weekends, or specific operational periods, while continuing their civilian careers.

The reservist units are part of the Defence Cyber Command (DCC), which currently consists of six platoons. Reservists may also participate in military exercises in the Netherlands or internationally, including NATO operations, with voluntary deployments.

Recruitment targets for cyber reservists were set at 150 over a ten-year period, but this number has not yet been achieved. According to Defence Ministry officials, interest in these positions has increased following the escalation of global cyber threats, particularly after the Russian invasion of Ukraine, though exact figures remain undisclosed for operational security reasons.

Cybersecurity expert Bert Hubert highlighted the distinct nature of cyber reserve work compared to traditional military reservist roles, emphasising the complexity of effective cyber defence operations.

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SK Telecom investigates data breach after cyberattack

South Korean telecom leader SK Telecom has confirmed a cyberattack that compromised customer data following a malware infection.

The breach was detected on 19 April, prompting an immediate internal investigation and response. Authorities, including the Korea Internet Security Agency, have been alerted.

Personal information of South Korean customers was accessed during the attack, although the extent of the breach remains under review. In response, SK Telecom is offering a complimentary SIM protection service, hinting at potential SIM swapping risks linked to the leaked data.

The infected systems were quickly isolated and the malware removed. While no group has claimed responsibility, concerns remain over possible state-sponsored involvement, as telecom providers are frequent targets for cyberespionage.

It is currently unknown whether ransomware played a role in the incident. Investigations are ongoing as officials continue to assess the scope and origin of the breach.

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Google spoofed in sophisticated phishing attack

A sophisticated phishing attack recently targeted Google users, exploiting a well-known email authentication method to bypass security measures.

The attackers sent emails appearing to be from Google’s legitimate address, no-reply@accounts.google.com, and claimed the recipient needed to comply with a subpoena.

The emails contained a link to a Google Sites page, prompting users to log in and revealing a fake legal support page.

What made this phishing attempt particularly dangerous was that it successfully passed both DMARC and DKIM email authentication checks, making it appear entirely genuine to recipients.

In another cyber-related development, Microsoft issued a warning regarding the use of Node.js in distributing malware. Attackers have been using the JavaScript runtime environment to deploy malware through scripts and executables, particularly targeting cryptocurrency traders via malvertising campaigns.

The new technique involves executing JavaScript directly from the command line, making it harder to detect by traditional security tools.

Meanwhile, the US has witnessed a significant change in its disinformation-fighting efforts.

The State Department has closed its Counter Foreign Information Manipulation and Interference group, previously known as the Global Engagement Center, after accusations that it was overreaching in its censorship activities.

The closure, led by Secretary of State Marco Rubio, has sparked criticism, with some seeing it as a victory for foreign powers like Russia and China.

Finally, gig workers face new challenges as the Tech Transparency Project revealed that Facebook groups are being used to trade fake gig worker accounts for platforms like Uber and Lyft.

Sellers offer access to verified accounts, bypassing safety checks, and putting passengers and customers at risk. Despite reports to Meta, many of these groups remain active, with the social media giant’s automated systems failing to curb the activity.

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TSMC profits surge despite trade concerns

Taiwan Semiconductor Manufacturing Company (TSMC) posted a significant jump in quarterly profits, driven by robust demand for AI chips. Net income rose by just over 60% year-on-year to NT$360.7bn (£9.77bn), outpacing analysts’ expectations.

Revenue also grew by 41.6% compared to the same period in 2024, although it dipped slightly from the previous quarter due to weaker smartphone sales.

The world’s largest contract chipmaker has not yet seen any major changes in customer behaviour, including from Apple and Nvidia, despite increasing uncertainty over potential US tariffs on Taiwanese semiconductors.

While concerns about trade tensions grow, particularly with former President Donald Trump suggesting the US should reclaim chip production, TSMC says it is continuing with business as usual for now.

Instead of scaling back, TSMC is expanding its investment in the US, with plans to spend up to $160bn. Analysts believe this move could help the firm argue for a more favourable position should tariff negotiations intensify.

The company’s Chief Financial Officer, Wendell Huang, acknowledged the risks posed by changing trade policies but said revenue growth is still expected in the next quarter.

Despite global pressures, TSMC remains optimistic, forecasting revenue between $28.4bn and $29.2bn. Although the company’s shares have fallen more than 20% so far this year, some analysts say the stock is now undervalued and well-positioned to rebound once market conditions stabilise.

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CISA extends MITRE’s CVE program for 11 months

The US Cybersecurity and Infrastructure Security Agency (CISA) has extended its contract with the MITRE Corporation to continue operating the Common Vulnerabilities and Exposures (CVE) program for an additional 11 months. The decision was made one day before the existing contract was set to expire.

A CISA spokesperson confirmed that the agency exercised the option period in its $57.8 million contract with MITRE to prevent a lapse in CVE services. The contract, which originally concluded on April 17, includes provisions for optional extensions through March 2026.

‘The CVE Program is invaluable to the cyber community and a priority of CISA,’ the spokesperson stated, expressing appreciation for stakeholder support.

Yosry Barsoum, vice president of MITRE and director of its Center for Securing the Homeland, said that CISA identified incremental funding to maintain operations.

He noted that MITRE remains committed to supporting both the CVE and CWE (Common Weakness Enumeration) programs, and acknowledged the widespread support from government, industry, and the broader cybersecurity community.

The extension follows public concern raised earlier this week after Barsoum issued a letter indicating that program funding was at risk of expiring without renewal.

MITRE officials noted that, in the event of a contract lapse, the CVE program website would eventually go offline and no new CVEs would be published. Historical data would remain accessible via GitHub.

Launched in 1999, the CVE program serves as a central catalogue for publicly disclosed cybersecurity vulnerabilities. It is widely used by governments, private sector organisations, and critical infrastructure operators for vulnerability identification and coordination.

Amid recent uncertainty about the program’s future, a group of CVE Board members announced the formation of a new non-profit organisation — the CVE Foundation — aimed at supporting the long-term sustainability and governance of the initiative.

In a public statement, the group noted that while US government sponsorship had enabled the program’s growth, it also introduced concerns around reliance on a single national sponsor for what is considered a global public good.

The CVE Foundation is intended to provide a neutral, independent structure to ensure continuity and community oversight.

The foundation aims to enhance global governance, eliminate single points of failure in vulnerability management, and reinforce the CVE program’s role as a trusted and collaborative resource. Further information about the foundation’s structure and plans is expected to be released in the coming days.

CISA did not comment on the creation of the CVE Foundation. A MITRE spokesperson indicated the organisation intends to work with federal agencies, the CVE Board, and the cybersecurity community on options for ongoing support.

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Report highlights growing cyber risks to aviation

A recent report by the Foundation for Defense of Democracies notes that while both government agencies and private sector actors have taken steps to strengthen cybersecurity in aviation, the increasing demands on outdated systems are outpacing current mitigation efforts.

Commercial aviation is operating at near full capacity, placing strain on legacy technologies and logistical frameworks.

According to Jiwon Ma, senior policy analyst at the Foundation for Defense of Democracies’ Center on Cyber and Policy Innovation, these pressures can result in major disruptions even in the absence of cyberattacks.

Ma referenced past incidents such as the 2022 Southwest Airlines operational failure and the widespread IT outage linked to CrowdStrike in 2024.

As part of the Biden administration’s national cybersecurity strategy, the Transportation Security Administration (TSA) implemented new aviation security measures in 2023.

The Federal Aviation Administration (FAA) declined to detail its specific cybersecurity practices, but a spokesperson stated that the agency employs a comprehensive approach to protect the National Airspace System in coordination with federal and private partners.

The report emerges amid a series of cybersecurity incidents affecting aviation and related infrastructure. In July 2024, Delta Air Lines cancelled thousands of flights due to a software update failure attributed to CrowdStrike, resulting in a $500 million lawsuit against the company.

In August 2024, Seattle-Tacoma International Airport experienced disruptions linked to a Rhysida ransomware attack, which affected key services and prompted the Port of Seattle to issue data breach notifications to approximately 90,000 individuals.

Boeing has also been targeted in recent years, including a 2023 ransomware attack by LockBit that resulted in data leaks, and a 2022 cyber incident affecting its Jeppesen subsidiary, which provides flight navigation and planning tools.

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