Network security

Supply chain cyber attack hits UBS and Swiss banks

A sophisticated supply chain cyber attack on Swiss service provider Chain IQ has resulted in data leaks at several financial institutions, including UBS and Pictet. According to the banks, no client data was compromised.

UBS confirmed the breach on Wednesday, stating: ‘A cyber attack at an external supplier has led to information about UBS and several other companies being stolen. No client data has been affected.’ The bank said it had acted swiftly to protect operations.

Chain IQ revealed that it was one of 20 organisations targeted in what it described as ‘a cyber-attack that had never before been seen on a global scale.’

The attackers published stolen data on the dark web on 12 June 2025 at 17:15 CET. The firm said access was revoked and the incident contained within 8 hours and 45 minutes.

The stolen data included employee business contact details from certain clients, such as internal telephone numbers. The company stated that all systems were checked and secured, with law enforcement notified immediately.

Dr Ilia Kolochenko, CEO of ImmuniWeb and a Fellow at the British Computer Society, warned of the potential impact: ‘This breach may have a disastrous and long-lasting effect on the Swiss banking sector. An urgent investigation is essential to determine its scope.’

He added that the incident highlights third-party vulnerabilities: ‘Even major institutions are at risk from supply chain weaknesses. Legal liability could extend to the banks themselves if damage to individuals occurs.’

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Researchers gain control of tesla charger Through firmware downgrade

Tesla’s popular Wall Connector home EV charger was compromised at the January 2025 Pwn2Own Automotive competition, revealing how attackers could gain full control via the charging cable.

The Tesla Wall Connector Gen 3, a widely deployed residential AC charger delivering up to 22 kW, was exploited through a novel attack that used the physical charging connector as the main entry point.

The vulnerability allowed researchers to execute arbitrary code, potentially giving access to private networks in homes, hotels, or businesses.

Researchers from Synacktiv discovered that Tesla vehicles can update the Wall Connector’s firmware via the charging cable using a proprietary, undocumented protocol.

By simulating a Tesla car and exploiting Single-Wire CAN (SWCAN) communications over the Control Pilot line, the team downgraded the firmware to an older version with exposed debug features.

Using a custom USB-CAN adapter and a Raspberry Pi to emulate vehicle behaviour, they accessed the device’s setup Wi-Fi credentials and triggered a buffer overflow in the debug shell, ultimately gaining remote code execution.

The demonstration ended with a visual cue — the charger’s LED blinking — but the broader implication is access to internal networks and potential lateral movement across connected systems.

Tesla has since addressed the vulnerability by introducing anti-downgrade measures in newer firmware versions. The Pwn2Own event remains instrumental in exposing critical flaws in automotive and EV infrastructure, pushing manufacturers toward stronger security.

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Chatham House analyst targeted in phishing attack

Chatham House expert Keir Giles has been targeted by a highly sophisticated spear phishing campaign, with suspected ties to Russian intelligence.

The cyber operation impersonated a senior official at the US State Department and attempted to extract sensitive credentials under the guise of a legitimate diplomatic consultation.

The incident, which took place in May 2025, was investigated by Google’s Threat Intelligence Group (GTIG) and Citizen Lab. It has been linked to a threat actor tracked as UNC6293, possibly associated with APT29—an espionage group believed to be backed by Russia’s Foreign Intelligence Service (SVR).

Giles received an email from an individual claiming to be ‘Claudie S. Weber’, a non-existent official at the US Department of State. The message invited him to a meeting to discuss ‘recent developments’, a type of request not uncommon in his line of work.

Although the attacker used a Gmail address, they copied several fake @state.gov email addresses to lend the communication authenticity. According to Citizen Lab, the US State Department’s email servers do not bounce invalid addresses, allowing this tactic to go unnoticed.

The tone of the message, coupled with evasive language, led investigators to suspect that the attackers may have employed a large language model to generate the email content.

While the first message contained no direct malware, a later email included a PDF instructing Giles to create an app-specific password (ASP) for accessing a supposed government platform. In reality, this would have handed full access of his Gmail account to the attackers.

Although Giles followed the instructions, he used a different Gmail account than the one targeted—likely limiting the damage. After ten further email exchanges, he shared details of the attempted attack publicly, warning that the stolen material could be altered and leaked as part of a disinformation campaign.

He noted that the attackers’ patient approach made the scam appear more plausible. Citizen Lab confirmed the threat actor’s ability to adapt based on Giles’ replies, avoiding pressure tactics and instead suggesting future collaboration.

Google ultimately blocked the offending Gmail account and secured the affected inbox. GTIG later disclosed a broader campaign, including another incident themed around Ukraine and Microsoft, beginning in April 2025.

In response, GTIG advised high-risk users to avoid app-specific passwords altogether, particularly when enrolled in the Advanced Protection Program (APP). Other recommendations included promptly revoking unused ASPs, monitoring account activity, and enabling advanced security measures.

The case underscores the evolving tactics of state-aligned cyber actors, who now combine social engineering with AI and deep reconnaissance to breach high-value targets.

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Hidden privacy risk: Meta AI app may make sensitive chats public

Meta’s new AI app raises privacy concerns as users unknowingly expose sensitive personal information to the public.

The app includes a Discover feed where anyone can view AI chats — even those involving health, legal or financial data. Many users have accidentally shared full resumes, private conversations and medical queries without realising they’re visible to others.

Despite this, Meta’s privacy warnings are minimal. On iPhones, there’s no clear indication during setup that chats will be made public unless manually changed in settings.

Android users see a brief, easily missed message. Even the ‘Post to Feed’ button is ambiguous, often mistaken as referring to a user’s private chat history rather than public content.

Users must navigate deep into the app’s settings to make chats private. They can restrict who sees AI prompts there, stop sharing on Facebook and Instagram, and delete previous interactions.

Critics argue the app’s lack of clarity burdens users, leaving many at risk of oversharing without realising it.

While Meta describes the Discover feed as a way to explore creative AI usage, the result has been a chaotic mix of deeply personal content and bizarre prompts.

Privacy experts warn that the situation mirrors Meta’s longstanding issues with user data. Users are advised to avoid sharing personal details with the AI entirely and immediately turn off all public sharing options.

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North Korea’s BlueNoroff uses deepfakes in Zoom calls to hack crypto workers

The North Korea-linked threat group BlueNoroff has been caught deploying deepfake Zoom meetings to target an employee at a cryptocurrency foundation, aiming to install malware on macOS systems.

According to cybersecurity firm Huntress, the attack began through a Telegram message that redirected the victim to a fake Zoom site. Over several weeks, the employee was lured into a group video call featuring AI-generated replicas of company executives.

When the employee encountered microphone issues during the meeting, the fake participants instructed them to download a Zoom extension, which instead executed a malicious AppleScript.

The script covertly fetched multiple payloads, installed Rosetta 2, and prompted for the system password while wiping command histories to hide forensic traces. Eight malicious binaries were uncovered on the compromised machine, including keyloggers, information stealers, and remote access tools.

BlueNoroff, also known as APT38 and part of the Lazarus Group, has a track record of targeting financial and blockchain organisations for monetary gain. The group’s past operations include the Bybit and Axie Infinity breaches.

Their campaigns often combine deep social engineering with sophisticated multi-stage malware tailored for macOS, with new tactics now mimicking audio and camera malfunctions to trick remote workers.

Cybersecurity analysts have noted that BlueNoroff has fractured into subgroups like TraderTraitor and CryptoCore, specialising in cryptocurrency theft.

Recent offshoot campaigns involve fake job interview portals and dual-platform malware, such as the Python-based PylangGhost and GolangGhost trojans, which harvest sensitive data from victims across operating systems.

The attackers have impersonated firms like Coinbase and Uniswap, mainly targeting users in India.

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AI-generated photo falsely claims to show a downed Israeli jet

Following Iranian state media claims that its forces shot down two Israeli fighter jets, an image circulated online falsely purporting to show the wreckage of an F-35.

The photo, which shows a large jet crash-landing in a desert, quickly spread across platforms like Threads and South Korean forums, including Aagag and Ruliweb. An Israeli official dismissed the shootdown claim as ‘fake news’.

The image’s caption in Korean read: ‘The F-35 shot down by Iran. Much bigger than I thought.’ However, a detailed AFP analysis found the photo contained several hallmarks of AI generation.

People near the aircraft appear the same size as buses, and one vehicle appears to merge with the road — visual anomalies common in synthetic images.

In addition to size distortions, the aircraft’s markings did not match those used on actual Israeli F-35s. Lockheed Martin specifications confirm the F-35 is just under 16 metres long, unlike the oversized version shown in the image.

Furthermore, the wing insignia in the image differed from the Israeli Air Force’s authentic emblem.

Amid escalating tensions between Iran and Israel, such misinformation continues to spread rapidly. Although AI-generated content is becoming more sophisticated, inconsistencies in scale, symbols, and composition remain key indicators of digital fabrication.

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Massive data leak exposes 16 billion login credentials from Google, Facebook, and more

One of the largest-ever leaks of stolen login data has come to light, exposing more than 16 billion records across widely used services, including Facebook, Google, Telegram, and GitHub. The breach, uncovered by researchers at Cybernews, highlights a growing threat to individuals and organisations.

The exposed data reportedly originated from info stealer malware, previous leaks, and credential-stuffing tools. A total of 30 separate datasets were identified, some containing over 3.5 billion entries.

These were briefly available online due to unsecured cloud storage before being removed. Despite the swift takedown, the data had already been collected and analysed.

Experts have warned that the breach could lead to identity theft, phishing, and account takeovers. Smaller websites and users with poor cybersecurity practices are especially vulnerable. Many users continue to reuse passwords or minor variations of them, increasing the risk of exploitation.

While the leak is severe, users employing two-factor authentication (2FA), password managers, or passkeys are less likely to be affected.

Passkeys, increasingly adopted by companies like Google and Apple, offer a phishing-resistant login method that bypasses the need for passwords altogether.

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Episource data breach impacts patients at Sharp Healthcare

Episource, a UnitedHealth Group-owned health analytics firm, has confirmed that patient data was compromised during a ransomware attack earlier this year.

The breach affected customers, including Sharp Healthcare and Sharp Community Medical Group, who have started notifying impacted patients. Although electronic health records and patient portals remained untouched, sensitive data such as health plan details, diagnoses and test results were exposed.

The cyberattack, which occurred between 27 January and 6 February, involved unauthorised access to Episource’s internal systems.

A forensic investigation verified that cybercriminals viewed and copied files containing personal information, including insurance plan data, treatment plans, and medical imaging. Financial details and payment card data, however, were mostly unaffected.

Sharp Healthcare confirmed that it was informed of the breach on 24 April and has since worked closely with Episource to identify which patients were impacted.

Compromised information may include names, addresses, insurance ID numbers, doctors’ names, prescribed medications, and other protected health data.

The breach follows a troubling trend of ransomware attacks targeting healthcare-related businesses, including Change Healthcare in 2024, which disrupted services for months. Comparitech reports at least three confirmed ransomware attacks on healthcare firms already in 2025, with 24 more suspected.

Given the scale of patient data involved, experts warn of growing risks tied to third-party healthcare service providers.

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UBS employee data leaked after Chain IQ ransomware attack

UBS Group AG has confirmed a serious data breach affecting around 130,000 of its employees, following a cyberattack on its third-party supplier, Chain IQ Group AG.

The exposed information included employee names, emails, phone numbers, roles, office locations, and preferred languages. No client data has been impacted, according to UBS.

Chain IQ, a procurement services firm spun off from UBS in 2013, was reportedly targeted by the cybercrime group World Leaks, previously known as Hunters International.

Unlike traditional ransomware operators, World Leaks avoids encryption and instead steals data, threatening public release if ransoms are not paid.

While Chain IQ has acknowledged the breach, it has not disclosed the extent of the stolen data or named all affected clients. Notably, companies such as Swiss Life, AXA, FedEx, IBM, KPMG, Swisscom, and Pictet are among its clients—only Pictet has confirmed it was impacted.

Cybersecurity experts warn that the breach may have long-term implications for the Swiss banking sector. Leaked employee data could be exploited for impersonation, fraud, phishing scams, or even blackmail.

The increasing availability of generative AI may further amplify the risks through voice and video impersonation, potentially aiding in money laundering and social engineering attacks.

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Ryuk ransomware hacker extradited to US after arrest in Ukraine

A key member of the infamous Ryuk ransomware gang has been extradited to the US after his arrest in Kyiv, Ukraine.

The 33-year-old man was detained in April 2025 at the request of the FBI and arrived in the US on 18 June to face multiple charges.

The suspect played a critical role within Ryuk by gaining initial access to corporate networks, which he then passed on to accomplices who stole data and launched ransomware attacks.

Ukrainian authorities identified him during a larger investigation into ransomware groups like LockerGoga, Dharma, Hive, and MegaCortex that targeted companies across Europe and North America.

According to Ukraine’s National Police, forensic analysis revealed the man’s responsibility for locating security flaws in enterprise networks.

Information gathered by the hacker allowed others in the gang to infiltrate systems, steal data, and deploy ransomware payloads that disrupted various industries, including healthcare, during the COVID pandemic.

Ryuk operated from 2018 until mid-2020 before rebranding as the notorious Conti gang, which later fractured into several smaller but still active groups. Researchers estimate that Ryuk alone collected over $150 million in ransom payments before shutting down.

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