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Blockchain is best known for its use in cryptocurrencies like Bitcoin, but it also holds significant applications for online authentication. As businesses in varying sectors increasingly embrace blockchain-based security tools, could the technology one day replace passwords? How blockchain works  Blockchain is a secure way to maintain, encrypt, and exchange digital records of transactions. Its security benefits stem from its decentralized nature: this distributed ledger can be accessed by participants across various nodes , and is unalterable. All users retain control as a group, meaning no single person can change the ledger. How could this provide security benefits? One advantage is the ability to create a ‘self-sovereign ID’ that alters the way that a user identifies themselves online. Essentially, it creates a private ID for a user that they control, rather than relying on a centralized institution : they can logon to a particular website or service using their identity on...

Microsoft is calling attention to an ongoing malvertising campaign that makes use of Node.js to deliver malicious payloads capable of information theft and data exfiltration. The activity, first detected in October 2024, uses lures related to cryptocurrency trading to trick users into installing a rogue installer from fraudulent websites that masquerade as legitimate software like Binance or TradingView. The downloaded installer comes embedded with a dynamic-link library ("CustomActions.dll") that's responsible for harvesting basic system information using Windows Management Instrumentation (WMI) and setting up persistence on the host via a scheduled task. In an attempt to keep up the ruse, the DLL launches a browser window via " msedge_proxy.exe " that displays the legitimate cryptocurrency trading website. It's worth noting that "msedge_proxy.exe" can be used to display any website as a web application. The scheduled task, in the meanwhile...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a security flaw impacting SonicWall Secure Mobile Access ( SMA ) 100 Series gateways to its Known Exploited Vulnerabilities ( KEV ) catalog, based on evidence of active exploitation. The high-severity vulnerability, tracked as CVE-2021-20035 (CVSS score: 7.2), relates to a case of operating system command injection that could result in code execution. "Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user, which could potentially lead to code execution," SonicWall said in an advisory released in September 2021. The flaw impacts SMA 200, SMA 210, SMA 400, SMA 410, and SMA 500v (ESX, KVM, AWS, Azure) devices running the following versions - 10.2.1.0-17sv and earlier (Fixed in 10.2.1.1-19sv and higher) 10.2.0.7-34sv and earlier (Fixed in 10.2.0.8-37sv and higher) 9.0...

Apple on Wednesday released security updates for iOS, iPadOS, macOS Sequoia, tvOS, and visionOS to address two security flaws that it said have come under active exploitation in the wild. The vulnerabilities in question are listed below - CVE-2025-31200 (CVSS score: 7.5) - A memory corruption vulnerability in the Core Audio framework that could allow code execution when processing an audio stream in a maliciously crafted media file CVE-2025-31201 (CVSS score: 6.8) - A vulnerability in the RPAC component that could be used by an attacker with arbitrary read and write capability to bypass Pointer Authentication The iPhone maker said it addressed CVE-2025-31200 with improved bounds checking and CVE-2025-31201 by removing the vulnerable section of code. Both the vulnerabilities have been credited to Apple, along with Google Threat Analysis Group (TAG) for reporting CVE-2025-31200. Apple, as is typically the case with such advisories, said it's aware that the issues have b...

Cybersecurity researchers have detailed four different vulnerabilities in a core component of the Windows task scheduling service that could be exploited by local attackers to achieve privilege escalation and erase logs to cover up evidence of malicious activities. The issues have been uncovered in a binary named " schtasks.exe ," which enables an administrator to create, delete, query, change, run, and end scheduled tasks on a local or remote computer. "A [User Account Control] bypass vulnerability has been found in Microsoft Windows, enabling attackers to bypass the User Account Control prompt, allowing them to execute high-privilege (SYSTEM) commands without user approval," Cymulate security researcher Ruben Enkaoua said in a report shared with The Hacker News. "By exploiting this weakness, attackers can elevate their privileges and run malicious payloads with Administrators' rights, leading to unauthorized access, data theft, or further system c...