Browsing articles in "Web Threats"

What the Heartbleed Bug Is and Why You Need to Change Your Passwords Now

Apr 12, 2014   //   by Crocmaster   //   Web Threats  //  No Comments

The last time we alerted you to a major security breach was when Adobe’s password database was compromised, putting millions of users (especially those with weak and frequently reused passwords) at risk. Today we’re warning you about a much bigger security problem, the Heartbleed Bug, that has potentially compromised a staggering 2/3rds of the secure websites on the internet. You need to change your passwords, and you need to start doing it now.  Read more >>

Critical crypto bug exposes Yahoo Mail, other passwords Russian roulette-style

Apr 9, 2014   //   by Crocmaster   //   Web Threats  //  No Comments

OpenSSL defect still exposing sensitive data even after patch is released.

Lest readers think “catastrophic” is too exaggerated a description for the critical defect affecting an estimated two-thirds of the Internet’s Web servers, consider this: at the moment this article was being prepared, the so-called Heartbleed bug was exposing end-user passwords, the contents of confidential e-mails, and other sensitive data belonging to Yahoo Mail and almost certainly countless other services.  Read more >>

How a website flaw turned 22,000 visitors into a botnet of DDoS zombies

Apr 9, 2014   //   by Crocmaster   //   Web Threats  //  No Comments

Everyday browsers are unwittingly conscripted into powerful attack platform.

 

Researchers have uncovered a recent denial-of-service attack that employed an unusual, if not unprecedented, technique to surreptitiously cause thousands of everyday Internet users to bombard the target with a massive amount of junk traffic.

The attack worked by exploiting a Web application vulnerability on one of the biggest and most popular video sites on the Web, according to a blog post published recently by researchers at security firm Incapsula, which declined to identify the site by name. Malicious JavaScript embedded inside the image icons of accounts created by the attackers caused anyone viewing the users’ posts to run attack code that instructed their browser to send one Web request per second to the DoS victim. In all, the technique caused 22,000 ordinary Web users to unwittingly flood the target with 20 million GET requestsRead more >>

What is a Botnet?

Mar 12, 2014   //   by Crocmaster   //   Web Threats  //  No Comments

dalek-botnet

Botnets are networks made up of remote-controlled computers, or “bots.” These computers have been infected with malware that allows them to be remotely controlled. Some botnets consist of hundreds of thousands — or even millions — of computers.

“Bot” is just a short word for “robot.” Like robots, software bots can be either good or evil. The word “bot” doesn’t always mean a bad piece of software, but most people refer to the type of malware when they use this word.  Read more >>

Ransomware: Why This New Malware is So Dangerous and How to Protect Yourself

Dec 11, 2013   //   by Crocmaster   //   Web Threats  //  No Comments

ransomware

Ransomware is a type of malware that tries to extort money from you. One of the nastiest examples, CryptoLocker, takes your files hostage and holds them for ransom, forcing you to pay hundreds of dollars to regain access.

Most malware is no longer created by bored teenagers looking to cause some chaos. Much of the current malware is now produced by organized crime for profit and is becoming increasingly sophisticated.  Read more >>

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