22459 matches found
New WhatsApp Bugs Could've Let Attackers Hack Your Phone Remotely
Facebook-owned WhatsApp recently addressed two security vulnerabilities in its messaging app for Android that could have been exploited to execute malicious code remotely on the device and even exfiltrate sensitive information. The flaws take aim at devices running Android versions up to and...
Critical Flaws Affecting GE's Universal Relay Pose Threat to Electric Utilities
The U.S. Cybersecurity and Infrastructure Security Agency CISA has warned of critical security shortcomings in GE's Universal Relay UR family of power management devices. "Successful exploitation of these vulnerabilities could allow an attacker to access sensitive information, reboot the UR, gain...
Critical Unpatched VMware Flaw Affects Multiple Corporates Products
VMware has released temporary workarounds to address a critical vulnerability in its products that could be exploited by an attacker to take control of an affected system. "A malicious actor with network access to the administrative configurator on port 8443 and a valid password for the...
Critical GRUB2 Bootloader Bug Affects Billions of Linux and Windows Systems
A team of cybersecurity researchers today disclosed details of a new high-risk vulnerability affecting billions of devices worldwide—including servers and workstations, laptops, desktops, and IoT systems running nearly any Linux distribution or Windows system. Dubbed 'BootHole' and tracked as...
1.7 Tbps DDoS Attack — Memcached UDP Reflections Set New Record
The bar has been raised. As more amplified attacks were expected following the record-breaking 1.35 Tbps Github DDoS attack, someone has just set a new record after only four days — 1.7 Tbps DDoS attack. Network security and monitoring company Arbor Networks claims that its ATLAS global traffic a...
Ukraine Hit with New Golang-based 'SwiftSlicer' Wiper Malware in Latest Cyber Attack
Ukraine has come under a fresh cyber onslaught from Russia that involved the deployment of a previously undocumented Golang-based data wiper dubbed SwiftSlicer. ESET attributed the attack to Sandworm, a nation-state group linked to Military Unit 74455 of the Main Intelligence Directorate of the...
Best Practices to Thwart Business Email Compromise (BEC) Attacks
Business email compromise BEC refers to all types of email attacks that do not have payloads. Although there are numerous types, there are essentially two main mechanisms through which attackers penetrate organizations utilizing BEC techniques, spoofing and account take-over attacks. In a recent...
4 Major Privacy and Security Updates From Google You Should Know About
Google has announced a number of user-facing and under-the-hood changes in an attempt to boost privacy and security, including rolling out two-factor authentication automatically to all eligible users and bringing iOS-styled privacy labels to Android app listings. "Today we ask people who have...
New Hack Lets Attackers Bypass MasterCard PIN by Using Them As Visa Card
Cybersecurity researchers have disclosed a novel attack that could allow criminals to trick a point of sale terminal into transacting with a victim's Mastercard contactless card while believing it to be a Visa card. The research, published by a group of academics from ETH Zurich, builds on a stud...
Microsoft Issues Patches for In-the-Wild 0-day and 55 Others Windows Bugs
Microsoft on Tuesday issued fixes for 56 flaws, including a critical vulnerability that's known to be actively exploited in the wild. In all, 11 are listed as Critical, 43 are listed as Important, and two are listed as Moderate in severity — six of which are previously disclosed vulnerabilities...
Microsoft Releases Windows Update (Dec 2020) to Fix 58 Security Flaws
Microsoft on Tuesday released fixes for 58 newly discovered security flaws spanning as many as 11 products and services as part of its final Patch Tuesday of 2020, effectively bringing their CVE total to 1,250 for the year. Of these 58 patches, nine are rated as Critical, 46 are rated as Importan...
Your Linux Can Get Hacked Just by Opening a File in Vim or Neovim Editor
Linux users, beware! If you haven't recently updated your Linux operating system, especially the command-line text editor utility, do not even try to view the content of a file using Vim or Neovim. Security researcher Armin Razmjou recently discovered a high-severity arbitrary OS command executio...
Russia to Fine Search Engines for Linking to Banned VPN services
In its years-long efforts to censor the Internet by blocking access to a large number of websites in the country, Russia has now approved a new bill introducing fines for search engines that provide links to banned sites, VPN services, and anonymization tools. VPNs, or Virtual Private Networks, a...
Hackers Exploiting 'Bitmessage' Zero-Day to Steal Bitcoin Wallet Keys
Bitmessage developers have warned of a critical 'remotely executable' zero-day vulnerability in the PyBitmessage application that was being exploited in the wild. Bitmessage is a Peer-to-Peer P2P communications protocol used to send encrypted messages to users. Since it is decentralized and...
Warning: 3 Critical Vulnerabilities Expose ownCloud Users to Data Breaches
The maintainers of the open-source file-sharing software ownCloud have warned of three critical security flaws that could be exploited to disclose sensitive information and modify files. A brief description of the vulnerabilities is as follows - CVE-2023-49103 CVSS score: 10.0 - Disclosure of...
7-Year-Old Polkit Flaw Lets Unprivileged Linux Users Gain Root Access
A seven-year-old privilege escalation vulnerability discovered in the polkit system service could be exploited by a malicious unprivileged local attacker to bypass authorization and escalate permissions to the root user. Tracked as CVE-2021-3560 CVSS score: 7.8, the flaw affects polkit versions...
New 5G Flaw Exposes Priority Networks to Location Tracking and Other Attacks
New research into 5G architecture has uncovered a security flaw in its network slicing and virtualized network functions that could be exploited to allow data access and denial of service attacks between different network slices on a mobile operator's 5G network. AdaptiveMobile shared its finding...
SAD DNS — New Flaws Re-Enable DNS Cache Poisoning Attacks
A group of academics from the University of California and Tsinghua University has uncovered a series of critical security flaws that could lead to a revival of DNS cache poisoning attacks. Dubbed "SAD DNS attack" short for Side-channel AttackeD DNS, the technique makes it possible for a maliciou...
Hackers Infect 50,000 MS-SQL and PHPMyAdmin Servers with Rootkit Malware
Cyber Security researchers at Guardicore Labs today published a detailed report on a widespread cryptojacking campaign attacking Windows MS-SQL and PHPMyAdmin servers worldwide. Dubbed Nansh0u, the malicious campaign is reportedly being carried out by an APT-style Chinese hacking group who has...
Critical SQLite Flaw Leaves Millions of Apps Vulnerable to Hackers
Cybersecurity researchers have discovered a critical vulnerability in widely used SQLite database software that exposes billions of deployments to hackers. Dubbed as 'Magellan' by Tencent's Blade security team, the newly discovered SQLite flaw could allow remote attackers to execute arbitrary or...
Google Releases Urgent Chrome Update to Patch New Zero-Day Vulnerability
Google on Friday shipped emergency fixes to address a security vulnerability in the Chrome web browser that it said is being actively exploited in the wild. The issue, assigned the identifier CVE-2022-3075, concerns a case of insufficient data validation in Mojo, which refers to a collection of...
Exim TLS Flaw Opens Email Servers to Remote 'Root' Code Execution Attacks
A critical remote code execution vulnerability has been discovered in the popular open-source Exim email server software, leaving at least over half a million email servers vulnerable to remote hackers. Exim maintainers today released Exim version 4.92.2 after publishing an early warning two days...
Hackers Targeting Unpatched Atlassian Confluence Servers to Deploy Crypto Miners
A now-patched critical security flaw affecting Atlassian Confluence Server that came to light a few months ago is being actively exploited for illicit cryptocurrency mining on unpatched installations. "If left unremedied and successfully exploited, this vulnerability could be used for multiple an...
Researchers Uncover UEFI Secure Boot Bypass in 3 Microsoft Signed Boot Loaders
A security feature bypass vulnerability has been uncovered in three signed third-party Unified Extensible Firmware Interface UEFI boot loaders that allow bypass of the UEFI Secure Boot feature. "These vulnerabilities can be exploited by mounting the EFI System Partition and replacing the existing...
China Blocks Microsoft's Bing Search Engine, Despite Offering Censored Results
Update: Microsoft's search engine Bing has been restored in China after being inaccessible in the country for almost two days. According to sources familiar with the matter, Bing was blocked due to an accidental technical error and not due to an attempt at censorship. China has blocked...
9 Popular Training Courses to Learn Ethical Hacking Online
How to become a Professional Hacker? This is one of the most frequently asked queries we came across on a daily basis. Do you also want to learn real-world hacking techniques but don't know where to start? This week's THN deal is for you. Today THN Deal Store has announced a new Super-Sized Ethic...
Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0-Day Bugs
Microsoft has released security updates as part of its monthly Patch Tuesday release cycle to address 55 vulnerabilities across Windows, Azure, Visual Studio, Windows Hyper-V, and Office, including fixes for two actively exploited zero-day flaws in Excel and Exchange Server that could be abused t...
6 Unpatched Flaws Disclosed in Remote Mouse App for Android and iOS
As many as six zero-days have been uncovered in an application called Remote Mouse, allowing a remote attacker to achieve full code execution without any user interaction. The unpatched flaws, collectively named 'Mouse Trap,' were disclosed on Wednesday by security researcher Axel Persinger, who...
Amnesia:33 — Critical TCP/IP Flaws Affect Millions of IoT Devices
Cybersecurity researchers disclosed a dozen new flaws in multiple widely-used embedded TCP/IP stacks impacting millions of devices ranging from networking equipment and medical devices to industrial control systems that could be exploited by an attacker to take control of a vulnerable system...
Chinese Hackers Used a New Rootkit to Spy on Targeted Windows 10 Users
A formerly unknown Chinese-speaking threat actor has been linked to a long-standing evasive operation aimed at South East Asian targets as far back as July 2020 to deploy a kernel-mode rootkit on compromised Windows systems. Attacks mounted by the hacking group, dubbed GhostEmperor by Kaspersky,...
Kaseya Rules Out Supply-Chain Attack; Says VSA 0-Day Hit Its Customers Directly
U.S. technology firm Kaseya, which is firefighting the largest ever supply-chain ransomware strike on its VSA on-premises product, ruled out the possibility that its codebase was unauthorizedly tampered with to distribute malware. While initial reports raised speculations that REvil, the ransomwa...
Beware: New Matryosh DDoS Botnet Targeting Android-Based Devices
A nascent malware campaign has been spotted co-opting Android devices into a botnet with the primary purpose of carrying out distributed denial-of-service DDoS attacks. Called "Matryosh" by Qihoo 360's Netlab researchers, the latest threat has been found reusing the Mirai botnet framework and...
Hacker Breaches Dozens of Sites, Puts 127 Million New Records Up for Sale
A hacker who was selling details of nearly 620 million online accounts stolen from 16 popular websites has now put up a second batch of 127 million records originating from 8 other sites for sale on the dark web. Last week, The Hacker News received an email from a Pakistani hacker who claims to...
Microsoft Issues Windows Update to Patch 0-Day Used to Spread Emotet Malware
Microsoft has rolled out Patch Tuesday updates to address multiple security vulnerabilities in Windows and other software, including one actively exploited flaw that's being abused to deliver Emotet, TrickBot, or Bazaloader malware payloads. The latest monthly release for December fixes a total o...
Hackers Steal Mimecast Certificate Used to Securely Connect with Microsoft 365
Mimecast said on Tuesday that "a sophisticated threat actor" had compromised a digital certificate it provided to certain customers to securely connect its products to Microsoft 365 M365 Exchange. The discovery was made after the breach was notified by Microsoft, the London-based company said in ...
Run 'Kali Linux' Natively On Windows 10 — Just Like That!
Great news for hackers. Now you can download and install Kali Linux directly from the Microsoft App Store on Windows 10 just like any other application. I know it sounds crazy, but it's true! Kali Linux, a very popular, free, and open-source Linux-based operating system widely used for hacking an...
Microsoft Issues Patches for 51 Flaws, Including Critical MSMQ Vulnerability
Microsoft has released security updates to address 51 flaws as part of its Patch Tuesday updates for June 2024. Of the 51 vulnerabilities, one is rated Critical and 50 are rated Important. This is in addition to 17 vulnerabilities resolved in the Chromium-based Edge browser over the past month...
New Critical MOVEit Transfer SQL Injection Vulnerabilities Discovered - Patch Now!
Progress Software, the company behind the MOVEit Transfer application, has released patches to address brand new SQL injection vulnerabilities affecting the file transfer solution that could enable the theft of sensitive information. "Multiple SQL injection vulnerabilities have been identified in...
Hackers Using Zero-Width Spaces to Bypass MS Office 365 Protection
Security researchers have been warning about a simple technique that cybercriminals and email scammers are already being using in the wild to bypass security features of Microsoft Office 365, including Safe Links, which are originally designed to protect users from malware and phishing attacks...
5-Year-Old Linux Kernel Local Privilege Escalation Flaw Discovered
A 5-year-old serious privilege-escalation vulnerability has been discovered in Linux kernel that affects almost every distro of the Linux operating system, including Redhat, and Ubuntu. Over a month back, a nine-year-old privilege-escalation vulnerability, dubbed "Dirty COW," was discovered in th...
HeartBleed Bug Explained - 10 Most Frequently Asked Questions
Heartbleed – I think now it’s not a new name for you, as every informational website, Media and Security researchers are talking about probably the biggest Internet vulnerability in recent history. It is a critical bug in the OpenSSL's implementation of the TLS/DTLS heartbeat extension that allow...
New Android Malware Apps Use Motion Sensor to Evade Detection
Even after so many efforts by Google for preventing its Play Store from malware, shady apps somehow managed to fool its anti-malware protections and get into its service to infect Android users with malware. Two such Android apps have recently been spotted on the Google Play Store by security...
Alert: PoC Exploits Released for Citrix and VMware Vulnerabilities
Virtualization services provider VMware has alerted customers to the existence of a proof-of-concept PoC exploit for a recently patched security flaw in Aria Operations for Logs. Tracked as CVE-2023-34051 CVSS score: 8.1, the high-severity vulnerability relates to a case of authentication bypass...
CISA Warns of Active Exploitation of Critical Spring4Shell Vulnerability
The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday added the recently disclosed remote code execution RCE vulnerability affecting the Spring Framework, to its Known Exploited Vulnerabilities Catalog based on "evidence of active exploitation." The critical severity flaw,...
Botnet of Thousands of MikroTik Routers Abused in Glupteba, TrickBot Campaigns
Vulnerable routers from MikroTik have been misused to form what cybersecurity researchers have called one of the largest botnet-as-a-service cybercrime operations seen in recent years. According to a new piece of research published by Avast, a cryptocurrency mining campaign leveraging the...
New AdLoad Variant Bypasses Apple's Security Defenses to Target macOS Systems
A new wave of attacks involving a notorious macOS adware family has evolved to leverage around 150 unique samples in the wild in 2021 alone, some of which have slipped past Apple's on-device malware scanner and even signed by its own notarization service, highlighting the malicious software ongoi...
Wormable Gitpaste-12 Botnet Returns to Target Linux Servers, IoT Devices
A new wormable botnet that spreads via GitHub and Pastebin to install cryptocurrency miners and backdoors on target systems has returned with expanded capabilities to compromise web applications, IP cameras, and routers. Early last month, researchers from Juniper Threat Labs documented a...
Researchers Uncover Cyber Espionage Operation Aimed At Indian Army
Cybersecurity researchers uncovered fresh evidence of an ongoing cyberespionage campaign against Indian defense units and armed forces personnel at least since 2019 with an aim to steal sensitive information. Dubbed "Operation SideCopy" by Indian cybersecurity firm Quick Heal, the attacks have be...
WARNING – New Phishing Attack That Even Most Vigilant Users Could Fall For
How do you check if a website asking for your credentials is fake or legit to log in? By checking if the URL is correct? By checking if the website address is not a homograph? By checking if the site is using HTTPS? Or using software or browser extensions that detect phishing domains? Well, if yo...
Deadglyph: New Advanced Backdoor with Distinctive Malware Tactics
Cybersecurity researchers have discovered a previously undocumented advanced backdoor dubbed Deadglyph employed by a threat actor known as Stealth Falcon as part of a cyber espionage campaign. "Deadglyph's architecture is unusual as it consists of cooperating components – one a native x64 binary,...