The Hacker News Logo
Click to Subscribe

The Hacker News — Latest Cyber Security News: dos attack

New Critical Exim Flaw Exposes Email Servers to Remote Attacks — Patch Released

New Critical Exim Flaw Exposes Email Servers to Remote Attacks — Patch Released

September 30, 2019Swati Khandelwal
A critical security vulnerability has been discovered and fixed in the popular open-source Exim email server software, which could allow ...
8 New HTTP/2 Implementation Flaws Expose Websites to DoS Attacks

8 New HTTP/2 Implementation Flaws Expose Websites to DoS Attacks

August 14, 2019Mohit Kumar
Various implementations of HTTP/2 , the latest version of the HTTP network protocol, have been found vulnerable to multiple security vuln...
Update Samba Servers Immediately to Patch Password Reset and DoS Vulnerabilities

Update Samba Servers Immediately to Patch Password Reset and DoS Vulnerabilities

March 13, 2018Mohit Kumar
Samba maintainers have just released new versions of their networking software to patch two critical vulnerabilities that could allow unp...
Memcached Servers Abused for Massive Amplification DDoS Attacks

Memcached Servers Abused for Massive Amplification DDoS Attacks

February 28, 2018Swati Khandelwal
Cybercriminals have figured out a way to abuse widely-used Memcached servers to launch over 51,000 times powerful DDoS attacks than thei...
Unpatched DoS Flaw Could Help Anyone Take Down WordPress Websites

Unpatched DoS Flaw Could Help Anyone Take Down WordPress Websites

February 05, 2018Mohit Kumar
A simple yet serious application-level denial of service (DoS) vulnerability has been discovered in WordPress CMS platform that could all...
Microsoft Issues Patches For Severe Flaws, Including Office Zero-Day & DNS Attack

Microsoft Issues Patches For Severe Flaws, Including Office Zero-Day & DNS Attack

October 11, 2017Swati Khandelwal
As part of its "October Patch Tuesday," Microsoft has today released a large batch of security updates to patch a total of 62 ...
Even A Single Computer Can Take Down Big Servers Using BlackNurse Attack

Even A Single Computer Can Take Down Big Servers Using BlackNurse Attack

November 14, 2016Swati Khandelwal
Yes, you only need a single laptop with a decent internet connection, rather a massive botnet, to launch overwhelming denial of service (...
OpenSSL Releases Patch For "High" Severity Vulnerability

OpenSSL Releases Patch For "High" Severity Vulnerability

November 10, 2016Mohit Kumar
As announced on Tuesday, the OpenSSL project team released OpenSSL version 1.1.0c that addresses three security vulnerabilities in its soft...
Critical DoS Flaw found in OpenSSL — How It Works

Critical DoS Flaw found in OpenSSL — How It Works

September 23, 2016Swati Khandelwal
The OpenSSL Foundation has patched over a dozen vulnerabilities in its cryptographic code library, including a high severity bug that can be...
No Password Required! 135 Million Modems Open to Remote Factory Reset

No Password Required! 135 Million Modems Open to Remote Factory Reset

April 09, 2016Swati Khandelwal
More than 135 Million modems around the world are vulnerable to a flaw that can be exploited remotely to knock them offline by cutting o...
Aw, Snap! This 16-Character String Can Crash Your Google Chrome

Aw, Snap! This 16-Character String Can Crash Your Google Chrome

September 21, 2015Swati Khandelwal
Remember when it took only 13 characters to crash Chrome browser instantly? This time, it takes 16-character simple URL string of text ...
Android Wi-Fi Direct Vulnerability Lets Hackers to Kick your Devices OFF

Android Wi-Fi Direct Vulnerability Lets Hackers to Kick your Devices OFF

January 27, 2015Swati Khandelwal
Security researchers from Core Security has reportedly found a Denial of Service ( DoS ) attack vulnerability in Android WiFi-Direct. ...
Remote Attack Could Format Your Pebble Smartwatch Easily

Remote Attack Could Format Your Pebble Smartwatch Easily

August 22, 2014Swati Khandelwal
Pebble, a wristwatch that can connect to your phone - both iOS and Android - and interact with apps, has a hard-coded vulnerability that...
Linux Kernel Vulnerable to Privilege Escalation and DoS Attack

Linux Kernel Vulnerable to Privilege Escalation and DoS Attack

June 07, 2014Swati Khandelwal
Multiple flaws have been identified in Linux Kernel and related software could allow hackers to hack your Linux machines, shared hosting...
Google Nexus phone vulnerable to SMS-based DOS attack

Google Nexus phone vulnerable to SMS-based DOS attack

November 30, 2013Mohit Kumar
Google's Nexus Smartphones are vulnerable to SMS-based DOS attack , where an attacker can force it to restart, freeze, or lose network conne...
Exclusive Deals

Stay Informed — Newsletter Sign Up

Sign up for THN newsletter and get our latest stories delivered straight to your inbox.