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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.

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.

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.

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.

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.

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".

LinkedIn's InMail notification emails have been spoofed by cybercriminals to distribute malware. The emails are laced with phishing tactics, including fake companies, images, and notifications from legitimate platforms. Researchers at Cofense Intelligence warn that the attackers are using a ConnectWise Remote Access Trojan (RAT) to gain unauthorized control over systems.

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.

Recently, news surfaced about stolen data containing billions of records, with 284 million unique email addresses affected. Infostealing software is behind a recent report about a massive data collection being sold on Telegram, with 23 billion entries containing 493 million unique pairs of email addresses and website domains. As summarized by Bleeping Computer, 284 million unique email addresses are affected overall.

Microsoft has identified and named four individuals allegedly responsible for creating and distributing explicit deepfakes using leaked API keys from multiple Microsoft customers. The group, dubbed the “Azure Abuse Enterprise”, is said to have developed malicious tools that allowed threat actors to bypass generative AI guardrails to generate harmful content. This discovery highlights the growing concern of cybercriminals exploiting AI-powered services for nefarious purposes.

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.

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.

Layer 7 Web DDoS attacks have surged by 550% in 2024, driven by the increasing accessibility of AI tools that enable even novice hackers to launch complex campaigns. Financial institutions and transportation services reported an almost 400% increase in DDoS attack volume, with the EMEA region bearing the brunt of these incidents. The evolving threat landscape necessitates more dynamic defense strategies as organizations struggle to differentiate between legitimate and malicious traffic.

A company's executives received an extortion letter in the mail claiming to be from BianLian ransomware group, demanding payment of $250,000 to $350,000 in Bitcoin within ten days. However, cybersecurity researchers have found that the attacks are likely fake and the letter's contents bear no resemblance to real ransom notes. Despite this, the scammers are using a new tactic by sending physical letters, potentially as part of an elaborate social engineering campaign.

The Polish Space Agency (POLSA) has confirmed it suffered a cyberattack that compromised its email systems, forcing it to shut down its IT infrastructure. The attack appears to be an email compromise, with insiders suggesting that relevant authorities have been notified and the agency is analyzing the situation. POLSA's machines were disconnected from the internet as part of the incident.

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.

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.

A recently discovered trio of vulnerabilities in VMware's virtual machine products can grant hackers unprecedented access to sensitive environments, putting entire networks at risk. If exploited, these vulnerabilities could allow a threat actor to escape the confines of one compromised virtual machine and access multiple customers' isolated environments, effectively breaking all security boundaries. The severity of this attack is compounded by the fact that VMware warned it has evidence suggesting the vulnerabilities are already being actively exploited in the wild.

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.

As recent news reminds us, malicious browser add-ons can start life as legit extensions. Reviewing what you’ve got installed is a smart move. Earlier this month, an alarm sounded—security researchers at GitLab Threat Intelligence discovered a handful of Chrome extensions adding code in order to commit fraud, with at least 3.2 million users affected. But the add-ons didn’t start as malicious. Instead, they launched as legitimate software, only to be later compromised or sold to bad actors.

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.

Microsoft has implemented a patch to its Windows Copilot, preventing the AI assistant from inadvertently facilitating the activation of unlicensed copies of its operating system. The update addresses previous concerns that Copilot was recommending third-party tools and methods to bypass Microsoft's licensing system, reinforcing the importance of using legitimate software. While this move showcases Microsoft's commitment to refining its AI capabilities, unauthorized activation methods for Windows 11 remain available online, albeit no longer promoted by Copilot.

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.

Two cybercriminals have been arrested and charged with stealing over $635,000 worth of concert tickets by exploiting a backdoor in StubHub's systems. The majority of the stolen tickets were for Taylor Swift's Eras Tour, as well as other high-profile events like NBA games and the US Open. This case highlights the vulnerability of online ticketing systems to exploitation by sophisticated cybercriminals.

Modern web browsers offer several built-in settings that can significantly enhance data security and privacy while online. Key adjustments, such as enabling two-factor authentication, disabling the saving of sensitive data, and using encrypted DNS requests, can help users safeguard their personal information from potential threats. Additionally, leveraging the Tor network with specific configurations can further anonymize web browsing, although it may come with performance trade-offs.