Krasimir Konov

About Krasimir Konov

Krasimir is a Remediation Team Lead at Sucuri. He enjoys researching malware and helping customers secure their websites. He spends most of his time reading and educating himself about security and new vulnerabilities. He was born in Bulgaria but currently lives in the US. Follow him on Twitter at @KrasimirSec

June 10, 2019Krasimir Konov

FTP Logs Used to Determine Attack Vector

Logs can be very useful because they are a record of what was done by whom. They are especially useful when you need to find out more on how a website has been compromised. Since our job at Sucuri is to clean website malware, we…

June 3, 2019Krasimir Konov

Closed Source E-commerce Platforms Can Be Compromised

These days, the majority of store owners opt-in for the easiest closed-source ecommerce platform options. For the most part, these platforms typically allow users to customize a template, as well…

February 19, 2019Krasimir Konov

The Importance of Website Logs

As a security company, we deal with a lot of compromised websites. Unfortunately, in most cases, we have limited access to customer logs, which is one of the reasons why…

August 7, 2018Krasimir Konov

Cookie Consent Script Used to Distribute Malware

Most websites today use cookies. Since May 25th, 2018, all websites that do business in the European Union (EU) had to make some changes to be compliant with the EU…

July 26, 2018Krasimir Konov

Switching to HTTPS Before It’s Too Late

Google, Mozilla, and other web authorities are pushing for website owners to adopt HTTPS. Soon, Google Chrome will start flagging sites by displaying a warning that the site is “Not secure“….

June 21, 2018Krasimir Konov

Why You Should Care about Website Security on Your Small Site

Most people assume that if their website has been compromised, there must have been an attacker evaluating their site and looking for a specific vulnerability to hack. Under most circumstances…

April 26, 2018Krasimir Konov

Analysis of a Malicious Blackhat SEO Script

An enormous number of SEO spam infections are handled by us here at Sucuri. In our most recent hacked website trend report, we analyzed over 34,000+ websites and identified that…

October 18, 2017Krasimir Konov

Malware Serving SEO Spam from External Sites

We handle an enormous number of SEO spam infections here at Sucuri. In Q3 of 2016, approximately 37% of all website infection cases were related to SEO spam campaigns through…

October 10, 2017Krasimir Konov

Credit Card Stealer Investigation Uncovers Malware Ring

During a recent investigation, I found a new piece of malicious code being used to steal credit card information from compromised Magento sites. What I didn’t know was how many…

August 24, 2017Krasimir Konov

Expired Domain Leads to WordPress Plugin Redirects

A malicious redirect is a snippet of code used by attackers with the intention of redirecting visitors to another site; a very common tactic seen in compromised websites. These redirects…

February 9, 2017Krasimir Konov

JavaScript Injections Leads to Tech Support Scam

During a recent malware investigation, we found some interesting obfuscated Javascript code. This code pretends to appear as part of the popular AddThis social sharing plugin, using it in URL…