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A Chinese hacking group, identified as Silver Fox, has been exploiting vulnerabilities in legitimate medical software to infect hospital patient computers with malware. The attacks, attributed to Forescout, involve spoofing medical software such as Philips DICOM medical image viewer to deploy the ValleyRAT remote access tool, which steals sensitive data, credentials, and cryptocurrency. As a result, hospitals may face significant risks if infected devices are brought into facilities, allowing the malware to spread through unsecured networks.

Microsoft's Threat Intelligence has identified a new tactic from Chinese threat actor Silk Typhoon towards targeting "common IT solutions" such as cloud applications and remote management tools in order to gain access to victim systems. The group has been observed attacking a wide range of sectors, including IT services and infrastructure, healthcare, legal services, defense, government agencies, and many more. By exploiting zero-day vulnerabilities in edge devices, Silk Typhoon has established itself as one of the Chinese threat actors with the "largest targeting footprints".

Security researchers spotted a new ClickFix campaign that has been abusing Microsoft SharePoint to distribute the Havoc post-exploitation framework. The attack chain starts with a phishing email, carrying a "restricted notice" as an .HTML attachment, which prompts the victim to update their DNS cache manually and then runs a script that downloads the Havoc framework as a DLL file. Cybercriminals are exploiting Microsoft tools to bypass email security and target victims with advanced red teaming and adversary simulation capabilities.

The NHS is investigating claims that a software flaw at Medefer compromised patient data security, as the issue was discovered in November but may have existed for several years. Medefer has stated that no patient data breach occurred and that the flaw was promptly addressed, although cybersecurity experts have raised concerns about the company's response to the vulnerability. The situation underscores the critical importance of robust cybersecurity measures in handling sensitive medical information, especially within the healthcare sector.

A broad overview of the four stages shows that nearly 1 million Windows devices were targeted by a sophisticated "malvertising" campaign, where malware was embedded in ads on popular streaming platforms. The malicious payload was hosted on platforms like GitHub and used Discord and Dropbox to spread, with infected devices losing login credentials, cryptocurrency, and other sensitive data. The attackers exploited browser files and cloud services like OneDrive to steal valuable information.

Aviation firms in the United Arab Emirates (UAE) were recently targeted by a highly sophisticated business email compromise (BEC) attack looking to deploy advanced malware. The attackers used a compromised email account to share polyglot files with their victims, which deployed a hidden backdoor against aviation firms. Cybersecurity researchers Proofpoint observed that these attacks started in late 2024 and target organizations with a distinct interest in aviation and satellite communications.

Hackers are exploiting Microsoft Teams and other legitimate Windows tools to launch sophisticated attacks on corporate networks, employing social engineering tactics to gain access to remote desktop solutions. Once inside, they sideload flawed .DLL files that enable the installation of BackConnect, a remote access tool that allows persistent control over compromised devices. This emerging threat highlights the urgent need for businesses to enhance their cybersecurity measures, particularly through employee education and the implementation of multi-factor authentication.

Cybersecurity experts have successfully disrupted the BadBox 2.0 botnet, which had compromised over 500,000 low-cost Android devices by removing numerous malicious apps from the Play Store and sinkholing multiple communication domains. This malware, primarily affecting off-brand devices manufactured in mainland China, has been linked to various forms of cybercrime, including ad fraud and credential stuffing. Despite the disruption, the infected devices remain compromised, raising concerns about the broader implications for consumers using uncertified technology.

Vishing attacks have skyrocketed, with CrowdStrike tracking at least six campaigns in which attackers pretended to be IT staffers to trick employees into sharing sensitive information. The security firm's 2025 Global Threat Report revealed a 442% increase in vishing attacks during the second half of 2024 compared to the first half. These attacks often use social engineering tactics, such as help desk social engineering and callback phishing, to gain remote access to computer systems.

A "hidden feature" was found in a Chinese-made Bluetooth chip that allows malicious actors to run arbitrary commands, unlock additional functionalities, and extract sensitive information from millions of Internet of Things (IoT) devices worldwide. The ESP32 chip's affordability and widespread use have made it a prime target for cyber threats, putting the personal data of billions of users at risk. Cybersecurity researchers Tarlogic discovered the vulnerability, which they claim could be used to obtain confidential information, spy on citizens and companies, and execute more sophisticated attacks.

Microsoft has confirmed that its Windows drivers and software are being exploited by hackers through zero-day attacks, allowing them to escalate privileges and potentially drop ransomware on affected machines. The company patched five flaws in a kernel-level driver for Paragon Partition Manager, which were apparently found in BioNTdrv.sys, a piece of software used by the partition manager. Users are urged to apply updates as soon as possible to secure their systems.

Broadcom has released patches for three critical vulnerabilities in its VMware products, which are already being exploited in the wild. The bugs were described as VM escape flaws and affect all supported versions of VMware ESX, vSphere, Cloud Foundation, and Telco Cloud Platform. These issues were deemed severe enough to warrant immediate attention from users, who are urged to apply the fixes as soon as possible.

The Department of Justice has criminally charged 12 Chinese nationals for their involvement in hacking over 100 US organizations, including the Treasury, with the goal of selling stolen data to China's government and other entities. The hackers used various tactics, including exploiting email inboxes and managing software, to gain access to sensitive information. China's government allegedly paid "handsomely" for the stolen data.

Sophisticated, advanced threats have been found lurking in the depths of the internet, compromising Cisco, ASUS, QNAP, and Synology devices. A previously-undocumented botnet, named PolarEdge, has been expanding around the world for more than a year, targeting a range of network devices. The botnet's goal is unknown at this time, but experts have warned that it poses a significant threat to global internet security.

Zapier, a popular automation tool, has suffered a cyberattack that resulted in the loss of sensitive customer information. The company's Head of Security sent a breach notification letter to affected customers, stating that an unnamed threat actor accessed some customer data "inadvertently copied to the repositories" for debugging purposes. Zapier assures that the incident was isolated and did not affect any databases, infrastructure, or production systems.

High-tech Eight Sleep pods allow Elon Musk and DOGE staff to rest at work, but security flaws have been discovered, including an AWS key and remote access. Hackers could exploit the beds to infiltrate home networks and connected devices, raising concerns about personal privacy and entire home network security. The company's lack of oversight has allowed unauthorized access, potentially leading to financial losses and compromised data.

The modern-day cyber threat landscape has become increasingly crowded, with Advanced Persistent Threats (APTs) becoming a major concern for cybersecurity teams worldwide. Group-IB's recent research points to 2024 as a 'year of cybercriminal escalation', with a 10% rise in ransomware compared to the previous year, and a 22% rise in phishing attacks. The "Game-changing" role of AI is being used by both security teams and cybercriminals, but its maturity level is still not there yet.

Google's security measures have been breached by fake spyware apps, which are hidden in plain sight on the Google Play Store. These malicious apps can cause immense damage to users' devices and personal data, including data theft, financial fraud, malware infections, ransomware attacks, and rootkit vulnerabilities. As a result, it is crucial for smartphone users to take precautions to spot these fake spyware apps and protect themselves from potential harm.

The Vo1d botnet has infected over 1.6 million Android TVs, with its size fluctuating daily. The malware, designed as an anonymous proxy, redirects criminal traffic and blends it with legitimate consumer traffic. Researchers warn that Android TV users should check their installed apps, scan for suspicious activity, and perform a factory reset to clean up the device.

The Lee Enterprises ransomware attack is affecting the company's ability to pay outside vendors, including freelancers and contractors, as a result of the cyberattack that began on February 3. The attack has resulted in widescale outages and ongoing disruption at dozens of newspapers across the United States, causing delays to print editions and impacting various aspects of the company's operations. Lee Enterprises has confirmed that hackers "encrypted critical applications," including those related to vendor payments.

Amnesty International said that Google fixed previously unknown flaws in Android that allowed authorities to unlock phones using forensic tools. On Friday, Amnesty International published a report detailing a chain of three zero-day vulnerabilities developed by phone-unlocking company Cellebrite, which its researchers found after investigating the hack of a student protester’s phone in Serbia. The flaws were found in the core Linux USB kernel, meaning “the vulnerability is not limited to a particular device or vendor and could impact over a billion Android devices,” according to the report.

Threat actors are exploiting misconfigured Amazon Web Services (AWS) environments to bypass email security and launch phishing campaigns that land in people's inboxes. Cybersecurity researchers have identified a group using this tactic, known as JavaGhost, which has been active since 2019 and has evolved its tactics to evade detection. The attackers use AWS access keys to gain initial access to the environment and set up temporary accounts to send phishing emails that bypass email protections.

Zapier has disclosed a security incident where an unauthorized user gained access to its code repositories due to a 2FA misconfiguration, potentially exposing customer data. The breach resulted from an "unauthorized user" accessing certain "certain Zapier code repositories" and may have accessed customer information that had been "inadvertently copied" to the repositories for debugging purposes. The incident has raised concerns about the security of cloud-based platforms.

Caspia Technologies has made a significant claim about its CODAx AI-assisted security linter, which has identified 16 security bugs in the OpenRISC CPU core in under 60 seconds. The tool uses a combination of machine learning algorithms and security rules to analyze processor designs for vulnerabilities. The discovery highlights the importance of design security and product assurance in the semiconductor industry.

The Singaporean government has revealed that servers involved in a recent fraud case may have contained Nvidia's advanced chips, supplied by U.S. firms Dell Technologies and Super Micro Computer before being sent to Malaysia. The move raises concerns about the potential misuse of these chips by the Chinese company DeepSeek, which was at the center of the alleged chip movement scandal. Authorities are now investigating the case independently, with Singapore asking the US authorities if the servers contained U.S. export control items.

2024 has been marked as a record-breaking year for ransomware attacks, with a 65% increase in detected groups and 44 new malware variants contributing to almost a third of undisclosed attacks. The healthcare, government, and education sectors were disproportionately affected, while emerging groups like LockBit and RansomHub accounted for a significant number of incidents, highlighting the growing sophistication of cybercriminals. As organizations face escalating financial and reputational risks, the need for proactive cybersecurity measures has never been more urgent.