15946 matches found
Cyberattackers Target UPS Back-Up Power Devices in Mission-Critical Environments
Cyberattackers are targeting uninterruptible power supply UPS devices, which provide battery backup power during power surges and outages. UPS devices are usually used in mission-critical environments, safeguarding critical infrastructure installations and important computer systems and IT...
NVIDIA’s Stolen Code-Signing Certs Used to Sign Malware
Two of NVIDIA’s code-signing certificates were part of the Feb. 23 Lapsus$ Group ransomware attack the company suffered – certificates that are now being used to sign malware so malicious programs can slide past security safeguards on Windows machines. The Feb. 23 attack saw 1TB of data bleed fro...
Microsoft Addresses 111 Bugs for May Patch Tuesday
Microsoft has released fixes for 111 security vulnerabilities in its May Patch Tuesday update, including 16 critical bugs and 96 that are rated important. Unlike other recent monthly updates from the computing giant this year, none of the flaws are publicly known or under active attack at the tim...
Adobe Re-Patches Critical Acrobat Reader Flaw
A week after Adobe fixed a critical zero-day vulnerability in its Acrobat Reader, the company issued another patch after a researcher dug up a way to bypass the original fix. This previous vulnerability CVE-2019-7089 was fixed in Adobe’s regularly scheduled security update last week. But Adobe sa...
GitHub Code Execution Bug Fetches $18,000 Bounty
GitHub recently awarded $18,000 to a researcher after he came across a bug in its GitHub Enterprise management console that could have resulted in remote code execution. The company patched the vulnerability at the end of January, but news of the flaw didn’t surface until this week when GitHub an...
A guide to the IIS WebDAV vulnerability
Even for the most experienced security professionals, understanding complex attacks and vulnerabilities sometimes can be a serious challenge. A perfect example is the recent Microsoft IIS WebDAV vulnerability, which surfaced last week and has yet to be patched by Microsoft. It’s a complicated...
Black Hat and DEF CON Roundup
There was nothing typical this year at BSides LV, Black Hat USA and DEF CON – also known collectively as Hacker Summer Camp. The weeklong collection of cybersecurity conferences featured an eclectic mix of attendees to learn, network, hack and have fun. The week even included a rare Las Vegas fla...
Xenomorph Malware Burrows into Google Play Users, No Facehugger Required
An Android trojan dubbed Xenomorph has nested in Google Play, already racking up more than 50,000 downloads from the official app store, researchers warned. For anyone who downloaded the “Fast Cleaner” app, it’s time to nuke it from orbit. According to a ThreatFabric analysis, Xenomorph has a...
Apache’s Fix for Log4Shell Can Lead to DoS Attacks
As if finding one easily exploited and extremely dangerous flaw in the ubiquitous Java logging library Apache Log4j hadn’t already turned the Internet security community on its ear, researchers now have found a new vulnerability in Apache’s patch issued to mitigate it. Last Thursday security...
Windows Exploit Released For Microsoft ‘Zerologon’ Flaw
Proof-of-concept PoC exploit code has been released for a Windows flaw, which could allow attackers to infiltrate enterprises by gaining administrative privileges, giving them access to companies’ Active Directory domain controllers DCs. The vulnerability, dubbed “Zerologon,” is a...
Diebold ATM Terminals Jackpotted Using Machine’s Own Software
Cybercriminals are using software from leading ATM manufacturer Diebold in a series of hacks against cash terminals across Europe, forcing the machines to dispense cash to crooks. Criminals using a black-box device common with these type of attacks have increased their activity across Europe by...
Snake Ransomware Delivers Double-Strike on Honda, Energy Co.
The Snake ransomware has reportedly hit two high-profile companies this week: Honda and a South American energy-distribution company called Enel Argentina. In a tweet on Monday, the Honda Automobile Customer Service said it was “experiencing technical difficulties and are unavailable.” And later,...
Cisco Warns of Critical Network Security Tool Flaw
A critical Cisco vulnerability exists in its administrative management tool for Cisco network security solutions. The flaw could allow an unauthenticated, remote attacker to gain administrative privileges on impacted devices. The flaw exists in the web-based management interface of the Cisco...
Software, Supply-Chain Dangers Top List of 5G Cyber Risks
The proliferation of software within 5G networks is one of the top security challenges facing the next generation of mobile networks, according to a report out this week from the European Union. 5G networks are fundamentally different than prior wireless networks in that they are largely...
ThreatList: Human Error is Behind One Quarter of Data Breaches
One quarter of all data breaches last year were caused by human error. The average cost of all breach in the same time period was $3.92 million, a 1.5 percent increase from the year before. Click to enlarge. That’s according to the 14th annual Cost of a Data Breach report from the Ponemon Institu...
Targeted Espionage-as-a-Service Takes Hold on the Dark Web
The cybercrime underground has become a service-driven, on-demand economy, including making available targeted corporate espionage services. According to an analysis, about 40 percent of Dark Web merchants offer spearphishing-as-a-service and targeted hacking services, aimed at infiltrating Fortu...
Pair of Cisco Bugs, One Unpatched, Affect Millions of Devices
Cisco has disclosed an unpatched, high-severity vulnerability that impacts millions of devices, in the logic that handles access control to one of the hardware components in Cisco’s proprietary Secure Boot implementation. Cisco has also disclosed a similarly widely-impacting high-severity bug tha...
Google Patches Critical .PNG Image Bug
Google has patched a critical vulnerability in its current and legacy versions of its Android operating system, which allow an attacker to send a specially crafted Portable Network Graphics .PNG image file to a targeted device and execute arbitrary code. In its February Android Security Bulletin,...
Hotmail Limits Passwords to 16 Characters
Passwords, unfortunately, still are the main authentication mechanism on most Web sites, including all of the popular webmail services, such as Hotmail, Gmail and Yahoo Mail. Many sites encourage users to pick complex and long passwords, so it’s surprising to see that Microsoft now has limited...
Crypto-Miner Campaign Targets Unpatched QNAP NAS Devices
Owners of popular QNAP Systems network attached storage NAS devices are being warned that a malicious cryptocurrency campaign is actively exploiting two critical firmware bugs in systems that have not yet been patched. QNAP fixed the flaws in October 2020; however, researchers at Qihoo 360’s...
Nvidia Warns Gamers of Severe GeForce Experience Flaws
Nvidia, which makes gaming-friendly graphics processing units GPUs, has issued fixes for two high-severity flaws in the Windows version of its GeForce Experience software. GeForce Experience is a supplemental application to the GeForce GTX graphics card — it keeps users’ drivers up-to-date,...
Apache Tomcat Exploit Poised to Pounce, Stealing Files
A vulnerability in the popular Apache Tomcat web server is ripe for active attack, thanks to a proof-of-concept PoC exploit making an appearance on GitHub. The now-patched bug affects Tomcat versions 7.0, 8.5 and 9.0. According to Flashpoint analysts Cheng Lu and Steven Ouellette, an exploit for...
Working from Home: COVID-19's Constellation of Security Challenges
As the threat of coronavirus continues to spread, businesses are sending employees home to work remotely, and students are moving to online classes. But with the social distancing comes a new threat – a cyber-related one. As organizations rush to shift their businesses and classes online,...
Astaroth Spy Trojan Uses Facebook, YouTube Profiles to Cover Tracks
Facebook and YouTube profiles are at the heart of an ongoing phishing campaign spreading the Astaroth trojan, bent on the eventual exfiltration of sensitive information. The attack is sophisticated in that it uses normally trusted sources as cover for malicious activities – thus evading usually...
Temporary Patch Released For Adobe Reader Zero-Day
A temporary patch has been released to address a zero-day vulnerability in Adobe Reader that could enable bad actors to steal victims’ hashed password values, known as “NTLM hashes.” 0patch on Monday released a micropatch for the flaw, found in Adobe Reader DC. The vulnerability, which has no...
How Web Apps Can Turn Browser Extensions Into Backdoors
Researchers have added another reason to be suspicious of web browser extensions. According to a recently published academic report, various Chrome, Firefox and Opera browser extensions can be compromised by an adversary that can steal sensitive browser data and plant arbitrary files on targeted...
Microsoft to Eliminate Weak MD5 Crypto Algorithm
The clock is running on Windows administrators to sweep out MD5 implementations before a February 2014 patch from Microsoft slams the door shut on the broken, aged crypto algorithm. Microsoft released a pair of advisories yesterday in addition to its regular Patch Tuesday security updates alertin...
A Blockchain Primer and Bored Ape Headscratcher – Podcast
Why in the world would a collection of nonfungible token NFT gorilla avatars called the Bored Ape Yacht Club BAYC, run by 30-somethings using aliases like “Emperor Tomato Ketchup” and “No Sass” and adored by celebrities, spiral on up to a multibillion-dollar valuation …and, by the way, how can yo...
Zoho’s ManagedEnginePassword Manager Flaw Torched by Godzilla Webshell, New Data Stealer
A new campaign is prying apart a known security vulnerability in the Zoho ManageEngine ADSelfService Plus password manager, researchers warned over the weekend. The threat actors have managed to exploit the Zoho weakness in at least nine global entities across critical sectors so far technology,...
SAP Bugs Under Active Cyberattack
Active cyberattacks on known vulnerabilities in SAP systems could lead to full control of unsecured SAP applications, researchers are warning. Adversaries are carrying out a range of attacks, according to an alert from SAP and security firm Onapsis issued Tuesday – including theft of sensitive...
Experts Denounce Racial Bias of Crime-Predictive Facial-Recognition AI
More than 1,000 technology experts and academics from organizations such as MIT, Microsoft, Harvard and Google have signed an open letter denouncing a forthcoming paper describing artificial intelligence AI algorithms that can predict crime based only on a person’s face, calling it out for...
LoudMiner Cryptominer Uses Linux Image and Virtual Machines
An unusual cryptocurrency miner, dubbed LoudMiner, is spreading via pirated copies of Virtual Studio Technology. It uses virtualization software to mine Monero on a Tiny Core Linux virtual machine – a unique approach, according to researchers. Virtual Studio Technology VST is an audio plug-in...
Researcher Exploits Microsoft's Notepad to 'Pop a Shell'
A memory corruption bug in the Microsoft’s Windows Notepad application can be used to open remote shell access – typically a first step for attackers infiltrating a system. The bug was found by Tavis Ormandy, a bug hunter with Google’s Project Zero team. In a tweet he indicated that the bug was...
First 'Clipper' Malware Discovered on Google Play
A malicious app designed to steal cryptocurrency from victims by replacing a wallet address in the phone’s clipboard has been discovered harboring the first “clipper” malware discovered on Google Play, the official Android app store. Usually cryptocurrency-stealers are found on unsanctioned Andro...
Modern Defenders Share, Visualize and Succeed
TENERIFE, Spain – Network defenders who rely solely on lists of assets to protect are running a fool’s errand. Instead, it’s crucial to think in graphs to not only visualize threats, but also to understand network edges, and dependencies between assets and accounts in order to be able to capture...
5 Steps to Securing Your Network Perimeter
When it comes to security, some of tomorrow’s biggest threats will come from yesterday’s vulnerabilities. In that regard, the network perimeter is a primary concern. Network security has been discussed for years, and many best practices are well documented. And yet, according to Positive...
Email Campaign Spreads StrRAT Fake-Ransomware RAT
An email campaign is delivering a Java-based remote access trojan RAT that can not only steal credentials and take control of systems, but also presents as fake ransomware, Microsoft researchers have discovered. The Microsoft Security Intelligence MSI team has outlined details of a “massive email...
Apple Plugs Severe WebKit Remote Code-Execution Hole
Apple is rolling out fixes for a high-severity vulnerability in its WebKit browser engine that, if exploited, could allow remote attackers to completely compromise affected systems. The mobile giant released security updates on Monday for the flaw, for its Safari browser, as well as devices runni...
Google Patches Actively-Exploited Zero-Day Bug in Chrome Browser
Google released an update to its Chrome browser that patches a zero-day vulnerability in the software’s FreeType font rendering library that was actively being exploited in the wild. Security researcher Sergei Glazunov of Google Project Zero discovered the bug which is classified as a type of...
Open Redirect Bug in Bridge Theme Plugin Opens Admins to Spearphishing
Two open-redirect vulnerabilities in Bridge, a commercial WordPress theme purchased more than 120,000 times, would allow an attacker to mount spearphishing attacks against site administrators. An open redirect vulnerability can be used to hide malicious links behind URLs for legitimate domains. F...
Microsoft, Financial Groups Execute Takedown of Zeus Botnet Servers
Microsoft has gone after another botnet, this time targeting some of the command-and-control infrastructure behind the Zeus network with a takedown effort that included seizing two IP addresses used for C&C servers and filing suit against 39 unnamed defendants. The action against Zeus is the late...
MS12-020 RDP Code Leak Mystery Deepens As Microsoft Remains Silent
Microsoft has a big, ugly problem on its hands. The company is caught in the middle of what’s rapidly become a major controversy centered on the leak of proof-of-concept exploit code for the MS12-020 RDP vulnerability. Many researchers, including the one who first discovered the bug and reported ...
Google Patches Chrome’s Fifth Zero-Day of the Year
Google has patched the fifth actively exploited zero-day vulnerability discovered in Chrome this year as one in a series of fixes included in a stable channel update released Wednesday. The bug, tracked as CVE-2022-2856 and rated as high on the Common Vulnerability Scoring System CVSS, is...
April VMware Bugs Abused to Deliver Mirai Malware, Exploit Log4Shell
Recently reported VMware bugs are being used by hackers who are focused on using them to deliver Mirai denial-of-service malware and exploit the Log4Shell vulnerability. Security researchers at Barracuda discovered that attempts were made to exploit the recent vulnerabilities CVE-2022-22954 and...
Facestealer Trojan Hidden in Google Play Plunders Facebook Accounts
A popular mobile app in the official Google Play store called “Craftsart Cartoon Photo Tools” has racked up more than 100,000 installs – but unfortunately for the app’s enthusiasts, it contains a version of the Facestealer Android malware. That’s according to researchers at Pradeo, who said the a...
FIN7 Backdoor Masquerades as Ethical Hacking Tool
The notorious FIN7 cybercrime gang, a financially motivated group, is spreading a backdoor called Lizar under the guise of being a Windows pen-testing tool for ethical hackers. According to the BI.ZONE Cyber Threats Research Team, FIN7 is pretending to be a legitimate organization that hawks a...
High-Severity Chrome Bugs Allow Browser Hacks
Google has updated its Chrome web browser, fixing four bugs with a severity rating of “high” and eight overall. Three are use-after-free flaws, which could allow an adversary to generate an error in the browser’s memory, opening the door to a browser hack and host computer compromise. On Friday,...
Four-Year-Old Critical Linux Wi-Fi Bug Allows System Compromise
A critical Linux bug has been discovered that could allow attackers to fully compromise vulnerable machines. A fix has been proposed but has not yet been incorporated into the Linux kernel. The flaw CVE-2019-17666, which was classified as critical in severity, exists in the “rtlwifi” driver, whic...
MacOS Zero-Day Exposes Apple Keychain Passwords
A researcher claims to have found a new Apple zero-day impacting macOS that could allow an attacker to extract passwords from a targeted Mac’s keychain password management system. However, the researcher refuses to disclose the alleged vulnerability citing Apple’s lack of macOS bug bounty program...
Mitigations Available for PanelShock Vulnerabilities in Schneider HMIs
One week after addressing a critical vulnerability in its industrial controller management software, Schneider Electric is in the midst of handling two more serious flaws in a number of its Magelis HMI products. HMI is short for human machine interface, a graphical visualization of an industrial...