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Over a billion Bluetooth-enabled devices, including smartphones, laptops, smart IoT devices, and industrial devices, have been found vulnerable to a high severity vulnerability that could allow attackers to spy on data transmitted between the two devices. The vulnerability, assigned as CVE-2019-9506 , resides in the way 'encryption key negotiation protocol' lets two Bluetooth BR/EDR devices choose an entropy value for encryption keys while pairing to secure their connection. Referred to as the Key Negotiation of Bluetooth ( KNOB ) attack, the vulnerability could allow remote attackers in close proximity to targeted devices to intercept, monitor, or manipulate encrypted Bluetooth traffic between two paired devices. The Bluetooth BR/EDR (Basic Rate/Enhanced Data Rate, also known as "Bluetooth Classic") is a wireless technology standard that has typically been designed for relatively short-range, continuous wireless connection such as streaming audio to headsets...

Academics from École Polytechnique Fédérale de Lausanne (EPFL) disclosed a security vulnerability in Bluetooth that could potentially allow an attacker to spoof a remotely paired device, exposing over a billion of modern devices to hackers. The attacks, dubbed Bluetooth Impersonation AttackS or BIAS, concern Bluetooth Classic, which supports Basic Rate (BR) and Enhanced Data Rate (EDR) for wireless data transfer between devices. "The Bluetooth specification contains vulnerabilities enabling to perform impersonation attacks during secure connection establishment," the researchers outlined in the paper. "Such vulnerabilities include the lack of mandatory mutual authentication, overly permissive role switching, and an authentication procedure downgrade." Given the widespread impact of the vulnerability, the researchers said they responsibly disclosed the findings to the Bluetooth Special Interest Group (SIG), the organization that oversees the development o...

Businesses across the world have been hit by widespread disruptions to their Windows workstations stemming from a faulty update pushed out by cybersecurity company CrowdStrike. "CrowdStrike is actively working with customers impacted by a defect found in a single content update for Windows hosts," the company's CEO George Kurtz said in a statement . "Mac and Linux hosts are not impacted. This is not a security incident or cyber attack." The company, which acknowledged "reports of [ Blue Screens of Death ] on Windows hosts," further said it has identified the issue and a fix has been deployed for its Falcon Sensor product, urging customers to refer to the support portal for the latest updates. For systems that have been already impacted by the problem, the mitigation instructions are listed below - Boot Windows in Safe Mode or Windows Recovery Environment Navigate to the C:\Windows\System32\drivers\CrowdStrike directory Find the file named ...

Stopping new and evasive threats is one of the greatest challenges in cybersecurity. This is among the biggest reasons why  attacks increased dramatically in the past year  yet again, despite the estimated $172 billion spent on global cybersecurity in 2022. Armed with cloud-based tools and backed by sophisticated affiliate networks, threat actors can develop new and evasive malware more quickly than organizations can update their protections.  Relying on malware signatures and blocklists against these rapidly changing attacks has become futile. As a result, the SOC toolkit now largely revolves around threat detection and investigation. If an attacker can bypass your initial blocks, you expect your tools to pick them up at some point in the attack chain. Every organization's digital architecture is now seeded with security controls that log anything potentially malicious. Security analysts pore through these logs and determine what to investigate further. Does this wor...

Ivanti has disclosed details of a now-patched critical security vulnerability impacting its Connect Secure product that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2025-22457 (CVSS score: 9.0), concerns a case of a stack-based buffer overflow that could be exploited to execute arbitrary code on affected systems. "A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution," Ivanti said in an alert released Thursday. The flaw impacts the following products and versions - Ivanti Connect Secure (versions 22.7R2.5 and prior) - Fixed in version 22.7R2.6 (Patch released on February 11, 2025) Pulse Connect Secure (versions 9.1R18.9 and prior) - Fixed in version 22.7R2.6 (Contact Ivanti to migrate as the device has reached end-of-support as of December ...

Modern security tools continue to improve in their ability to defend organizations' networks and endpoints against cybercriminals. But the bad actors still occasionally find a way in. Security teams must be able to stop threats and restore normal operations as quickly as possible. That's why it's essential that these teams not only have the right tools but also understand how to effectively respond to an incident. Resources like an  incident response template  can be customized to define a plan with roles and responsibilities, processes and an action item checklist. But preparations can't stop there. Teams must continuously train to adapt as threats rapidly evolve. Every security incident must be harnessed as an educational opportunity to help the organization better prepare for — or even prevent — future incidents. SANS Institute defines a framework with six steps to a successful IR. Preparation Identification Containment Eradication Recovery Lessons learned Whil...

This week, cyber attackers are moving quickly, and businesses need to stay alert. They're finding new weaknesses in popular software and coming up with clever ways to get around security. Even one unpatched flaw could let attackers in, leading to data theft or even taking control of your systems. The clock is ticking—if defenses aren't updated regularly, it could lead to serious damage. The message is clear: don't wait for an attack to happen. Take action now to protect your business. Here's a look at some of the biggest stories in cybersecurity this week: from new flaws in WinRAR and NVIDIA Triton to advanced attack techniques you should know about. Let's get into the details. ⚡ Threat of the Week Trend Micro Warns of Actively Exploited 0-Day — Trend Micro has released temporary mitigations to address critical security flaws in on-premise versions of Apex One Management Console that it said have been exploited in the wild. The vulnerabilities (CVE-2025-54948 and CVE-2025-54987),...

Details have emerged about a now-patched security vulnerability that could allow a bypass of the Secure Boot mechanism in Unified Extensible Firmware Interface (UEFI) systems. The vulnerability, assigned the CVE identifier CVE-2024-7344 (CVSS score: 6.7), resides in a UEFI application signed by Microsoft's "Microsoft Corporation UEFI CA 2011" third-party UEFI certificate, according to a new report from ESET shared with The Hacker News. Successful exploitation of the flaw can lead to the execution of untrusted code during system boot, thereby enabling attackers to deploy malicious UEFI bootkits on machines that have Secure Boot on, irrespective of the operating system installed. Secure Boot is a firmware security standard that prevents malware from loading when a computer starts up by ensuring that the device boots using only software that is trusted by the Original Equipment Manufacturer (OEM). The feature leverages digital signatures to validate the authenticity,...

Attackers are increasingly making use of "networkless" attack techniques targeting cloud apps and identities. Here's how attackers can (and are) compromising organizations – without ever needing to touch the endpoint or conventional networked systems and services.  Before getting into the details of the attack techniques being used, let's discuss why these attacks are becoming more prevalent.  SaaS adoption is changing the make-up of company IT  The SaaS revolution and  product-led growth  have had a huge impact on the structure of company networks, and where core business systems and data reside.  Most organizations today are using tens to hundreds of SaaS applications across business functions. Some are entirely SaaS-native, with no traditional network to speak of, but most have adopted a hybrid model with a mixture of on-premise, cloud, and SaaS services forming the...

Picture this: you've hardened every laptop in your fleet with real‑time telemetry, rapid isolation, and automated rollback. But the corporate mailbox—the front door for most attackers—is still guarded by what is effectively a 1990s-era filter. This isn't a balanced approach. Email remains a primary vector for breaches, yet we often treat it as a static stream of messages instead of a dynamic, post-delivery environment. This environment is rich with OAuth tokens, shared drive links, and years of sensitive data. The conversation needs to shift. We should stop asking, "Did the gateway block the bad thing?" and start asking, "How quickly can we see, contain, and undo the damage when an attacker inevitably gets in?" Looking at email security through this lens forces a fundamental shift toward the same assume-breach, detect-and-respond mindset that already revolutionized endpoint protection. The day the wall crumbled Most security professionals know the statisti...

Remote Desktop Protocol (RDP) is an amazing technology developed by Microsoft that lets you access and control another computer over a network. It's like having your office computer with you wherever you go. For businesses, this means IT staff can manage systems remotely, and employees can work from home or anywhere, making RDP a true game-changer in today's work environment. But here's the catch: because RDP is accessible over the internet, it's also a prime target for unethical hackers. If someone gains unauthorized access, they could potentially take over your system. That's why it's so important to secure RDP properly. Why IT Teams Depend on RDP, Despite the Risks More than 50 percent of Kaseya's small and medium-sized businesses (SMBs) and Managed Service Providers (MSPs) customers use RDP for daily operations due to its efficiency and flexibility: Reduces Costs and Downtime – IT teams can resolve technical issues remotely, eliminating travel expenses and delays. Supports B...