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A cybersecurity researcher today disclosed technical details of multiple high severity vulnerabilities he discovered in WhatsApp, which, if exploited, could have allowed remote attackers to compromise the security of billions of users in different ways. When combined together, the reported issues could have even enabled hackers to remotely steal files from the Windows or Mac computer of a victim using the WhatsApp desktop app by merely sending a specially crafted message. Discovered by PerimeterX researcher Gal Weizman and tracked as CVE-2019-18426 , the flaws specifically resided in WhatsApp Web, a browser version of the world's most popular messaging application that also powers its Electron-based cross-platform apps for desktop operating systems. In a blog post published today, Weizman revealed that WhatsApp Web was vulnerable to a potentially dangerous open-redirect flaw that led to persistent cross-site scripting attacks, which could have been triggered by sending a s...

After enabling ' Site Isolation ' security feature in Chrome for desktops last year, Google has now finally introduced 'the extra line of defence' for Android smartphone users surfing the Internet over the Chrome web browser. In brief, Site Isolation is a security feature that adds an additional boundary between websites by ensuring that pages from different sites end up in different sandboxed processes in the browser. Since each site in the browser gets its own isolated process, in case of a browser flaw or Spectre like side-channel vulnerability, the feature makes it harder for attackers or malicious websites to access or steal cross-site data of your accounts on other websites. Site Isolation helps protect many types of sensitive data, including authentication cookies, stored passwords, network data, stored permissions, as well as cross-origin messaging that help sites securely pass messages across domains. The feature gained attention in January 2018, ...

Serverless environments, leveraging services such as AWS Lambda, offer incredible benefits in terms of scalability, efficiency, and reduced operational overhead. However, securing these environments is extremely challenging. The core of current serverless security practices often revolves around two key components: log monitoring and static analysis of code or system configuration. But here is the issue with that: 1. Logs Only Tell Part of the Story Logs can track external-facing activities, but they don't provide visibility into the internal execution of functions. For example, if an attacker injects malicious code into a serverless function that doesn't interact with external resources (e.g., external APIs or databases), traditional log-based tools will not detect this intrusion. The attacker may execute unauthorized processes, manipulate files, or escalate privileges—all without triggering log events. 2. Static Misconfiguration Detection is Incomplete Static tools that check ...

You must update your Google Chrome now. Security researcher Michał Bentkowski discovered and reported a high severity vulnerability in Google Chrome in late May, affecting the web browsing software for all major operating systems including Windows, Mac, and Linux. Without revealing any technical detail about the vulnerability, the Chrome security team described the issue as incorrect handling of CSP header ( CVE-2018-6148 ) in a blog post published today. "Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven't yet fixed," the Chrome security team notes. Content Security Policy (CSP) header allows website administrators to add an extra layer of security on a given web page by allowing them to control resources the browser is allowed to load. Mishandling of CSP headers by your web brow...

Although over three months remaining, Google has planned a New Year gift for the Internet users, who're concerned about their privacy and security. Starting in January of 2017, the world's most popular web browser Chrome will begin labeling HTTP sites that transmit passwords or ask for credit card details as " Not Secure " — the first step in Google's plan to discourage the use of sites that don't use encryption. The change will take effect with the release of Chrome 56 in January 2017 and affect certain unsecured web pages that feature entry fields for sensitive data, like passwords and payment card numbers, according to a post today on the Google Security Blog . Unencrypted HTTP has been considered dangerous particularly for login pages and payment forms, as it could allow a man-in-the-middle attacker to intercept passwords, login session, cookies and credit card data as they travel across the network. In the following release, Chrome will flag ...

Beware Comodo Users! Have you Safeguarded your PC with a Comodo Antivirus? Then you need to inspect your system for privacy and security concerns. First of all, make sure whether your default browser had been changed to " Chromodo " -- a free browser offered by Comodo Antivirus. If your head nod is " Yes ," then you could be at risk! Chromodo browser, which is supplied along with the installation of Comodo Anti-Virus Software and marketed as 'Private Internet Browser' for better security and privacy, automatically overrides system settings to set itself as your 'Default Browser.' And secondly, the main security concern about Comodo Antivirus is that the Chromodo browser has 'Same Origin Policy' (SOP) disabled by default. Google's security researcher Tavis Ormandy , recently shouted at Comodo for disabling SOP by default in its browser settings that violates one of the strongest browser security policy. Orm...

Mozilla has rolled out the latest Version 37 of its Firefox browser for Windows desktop, Mac, Linux and Android operating systems. The new release also adds patches for 13 different security advisories along with some new security improvements as well as user-experience features. The biggest security feature added to Firefox 37 among others is the "Opportunistic Encryption" (OE) for servers and websites that support " HTTP/2 AltSvc. " Opportunistic Encryption (OE) allows Firefox browser to encrypt the traffic over plaintext HTTP connection without any need to authenticate it. This will help you to create, not complete, but some confidentiality from attackers to eavesdrop on your connection. So Opportunistic encryption can be implemented with very minimal changes to an existing IPsec implementation. The move by Mozilla is really a bonus for HTTP users with no encryption measure at all, but still it is not as good as authenticated encryption ...