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A Simple JavaScript Exploit Bypasses ASLR Protection On 22 CPU Architectures

A Simple JavaScript Exploit Bypasses ASLR Protection On 22 CPU Architectures

Feb 16, 2017
Security researchers have discovered a chip flaw that could nullify hacking protections for millions of devices regardless of their operating system or application running on them, and the worse — the flaw can not be entirely fixed with any mere software update. The vulnerability resides in the way the memory management unit (MMU), a component of many CPUs, works and leads to bypass the Address Space Layout Randomization (ASLR) protection. ASLR is a crucial security defense deployed by all modern operating systems from Windows and Linux to macOS, Android, and the BSDs. In general, ASLR is a memory protection mechanism which randomizes the location where programs run in a device's memory. This, in turn, makes it difficult for attackers to execute malicious payloads in specific spots in memory when exploiting buffer overflows or similar bugs. In short, for attackers, it's like an attempt to burglarize a house blindfolded. But now a group of researchers, known as VUSe
Yahoo Hacked Once Again! Quietly Warns Affected Users About New Attack

Yahoo Hacked Once Again! Quietly Warns Affected Users About New Attack

Feb 16, 2017
Has Yahoo rebuilt your trust again? If yes, then you need to think once again, as the company is warning its users of another hack. Last year, Yahoo admitted two of the largest data breaches on record. One of which that took place in 2013 disclosed personal details associated with more than 1 Billion Yahoo user accounts . Well, it's happened yet again. Yahoo sent out another round of notifications to its users on Wednesday, warning that their accounts may have been compromised as recently as last year after an ongoing investigation turned up evidence that hackers used forged cookies to log accounts without passwords. The company quietly revealed the data breach in security update in December 2016, but the news was largely overlooked, as the statement from Yahoo provided information on a separate data breach that occurred in August 2013 involving more than 1 billion accounts. The warning message sent Wednesday to some Yahoo users read: "Based on the ongoing i
GenAI: A New Headache for SaaS Security Teams

GenAI: A New Headache for SaaS Security Teams

Apr 17, 2024SaaS Security / AI Governance
The introduction of Open AI's ChatGPT was a defining moment for the software industry, touching off a GenAI race with its November 2022 release. SaaS vendors are now rushing to upgrade tools with enhanced productivity capabilities that are driven by generative AI. Among a wide range of uses, GenAI tools make it easier for developers to build software, assist sales teams in mundane email writing, help marketers produce unique content at low cost, and enable teams and creatives to brainstorm new ideas.  Recent significant GenAI product launches include Microsoft 365 Copilot, GitHub Copilot, and Salesforce Einstein GPT. Notably, these GenAI tools from leading SaaS providers are paid enhancements, a clear sign that no SaaS provider will want to miss out on cashing in on the GenAI transformation. Google will soon launch its SGE "Search Generative Experience" platform for premium AI-generated summaries rather than a list of websites.  At this pace, it's just a matter of a short time befo
New MacOS Malware linked to Russian Hackers Can Steal Passwords & iPhone Backups

New MacOS Malware linked to Russian Hackers Can Steal Passwords & iPhone Backups

Feb 16, 2017
Security researchers have discovered a new Mac malware allegedly developed by APT28 Russian cyber espionage group who is believed to be responsible for 2016 presidential election hacking scandal. A new variant of the X-Agent spyware is now targeting Apple macOS system that has previously been used in cyber attacks against Windows, iOS, Android, and Linux devices. The malware is designed to steal web browser passwords, take screenshots of the display, detect system configurations, execute files and exfiltrate iPhone backups stored on the computer. The X-Agent malware is tied to Russian hacking group known as APT28 — also known as Fancy Bear, Sofacy, Sednit, and Pawn Storm — that has been operating since at least 2007 and is allegedly linked to the Russian government. "Our past analysis of samples known to be linked to APT28 group shows a number of similarities between the Sofacy/APT28/Sednit Xagent component for Windows/Linux and the Mac OS binary that currently forms
cyber security

Today's Top 4 Identity Threat Exposures: Where To Find Them and How To Stop Them

websiteSilverfortIdentity Protection / Attack Surface
Explore the first ever threat report 100% focused on the prevalence of identity security gaps you may not be aware of.
Websites Can Now Track You Online Across Multiple Web Browsers

Websites Can Now Track You Online Across Multiple Web Browsers

Feb 15, 2017
You might be aware of websites, banks, retailers, and advertisers tracking your online activities using different Web "fingerprinting" techniques even in incognito/private mode, but now sites can track you anywhere online — even if you switch browsers. A team of researchers has recently developed a cross-browser fingerprinting technique — the first reliable technique to accurately track users across multiple browsers based on information like extensions, plugins, time zone and whether or not an ad blocker is installed. Previous fingerprinting methods usually only work across a single browser, but the new method uses operating system and hardware level features and works across multiple browsers. This new fingerprinting technique ties digital fingerprint left behind by a Firefox browser to the fingerprint from a Chrome browser or Windows Edge running on the same device. This makes the method particularly useful to advertisers, enabling them to continue serving tar
Signal Messaging App Rolls Out Encrypted Video Calling

Signal Messaging App Rolls Out Encrypted Video Calling

Feb 15, 2017
WhatsApp and Facebook have so far the largest end-to-end encrypted video calling network of all, but now another popular end-to-end encrypted messaging app recommended by whistleblower Edward Snowden is ready to give them a really tough competition. The Signal app, which is widely considered the most secure of all other encrypted messaging apps, released video calling feature on Tuesday for both Android and iOS in a new update. Developed by open source software group Open Whisper System, Signal is a free and open source messaging application specially designed for Android and iOS users to make secure and encrypted messages and voice calls. Even the Signal Protocol powers the end-to-end encryption built into WhatsApp, Facebook Messenger, and Google Allo's Incognito mode as well. Signal has already been providing fully end-to-end encrypted chat and voice calling features, but the newly added feature will make it even easier for privacy conscious people to convey their inf
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