Outdate CMS, Themes and Plugins Versions
It’s no secret that outdate software is the leading cause of website vulnerabilities. Like most modern websites, the use of third-party extensions such as plugins and themes is common, and it’s important to consider that each of these installations can be a potential point of intrusion. In some cases, developers don’t consider the threats their code may introduce (e.g., using insecure APIs, lack of standard validation, logging, error handling, etc.). If you’re lucky, a patch may be release before a potential exploit is release.
It is important to follow all updates
That are release or, if an update is likely to break something, to have a firewall in place that can block malicious traffic that attempts to exploit vulnerable software.
Weak passwords
Using weak and default passwords is increasingly a factor in reinfection on the web. With database leaks becoming more common, it is becoming easier to use password recovery tools to preict the right ones. Brutal attacks on a website can lead to a hacker taking complete control of it. Once they have control, they can even remove access from the site owners. If an infection occurs through access control methods and passwords are not update afterwards, you can easily find yourself back at square one.
Intersite contamination
When it comes to hosting sites, most use a share hosting environment, where clients share the same server that hosts hundres of websites. This can save a site owner a lot of time and money, but like most things, convenience also comes with its share of risks. Cross-site contamination is an infection that spreads from one site to other sites in the same share environment. In some cases, if a site or server that has been infecte has not been cleane thoroughly enough, there may be remnants of the infection that can re-grow and spread to other files.
It is recommende that in case of cross contamination
A quarantine sites from each other and delete any old websites that are no longer use. Also, make sure to limit files, themes, and plugins as much as possible so that the site functions properly. Different websites should not have write access to each other (e.g. addon domains in cPanel environments, or WHM environments with symlink protection disable).
Too many privileges
A good practice to follow is the principle of least privilege. When too many users have too much access, it can lead to greater security risks. If you find unknown users, it is best to remove them. Hackers could use these accounts to gain access. Every role assigne to an account that is not evaluate increases the chances of something going wrong.
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From time to time
A “privilege escalation” vulnerability is discovere in a software component. This can lead to a harmless low-level account gaining 4 marketing strategies to attract administrator access, hence the nee to use multi-factor authentication for admin panels. If your website does not require it, you should also disable account creation completely.
Pro Tip: We recommend having only one admin user and setting all other user roles to the minimum privileges necessary.
Backdoors
When Content Management System (CMS) environments are compromise, it can lead to vulnerabilities such as file upload. This type phone database of vulnerability can grant remote code execution capabilities to the attacker. The attacker’s goal is to remain undetecte for as long as possible while gaining more sensitive creentials and escalating their privileges. Backdoors can be difficult to find for the average site owner, and additional detection tools may sometimes be necessary. It is also important to mention that CC swipers have the highest reinfection rate. Since this is the most “targete” type of attack, attackers have everything to gain.
The best way to trace back
To the origin of a backdoor is to carefully examine plugins and themes for vulnerabilities or recently detecte file changes. Also examine any recently modifie files and pay attention to the user associate with the changes. An attacker could have gaine access through a specific user account. Tools like WPScan can also be helpful in this case.
Please note that any backups made while an infection is still present may cause the infection to reappear if the site is restore to that specific version. Once an infection is completely cleane, a new backup should be made.
These are just a few of the most
Common instances of website reinfection, but the list goes on. Site owners should always consider the main factors that cause their site to be hacke repeately. Once each of these factors is addresse, the recurrence should subside. Malware infections can be the most dreade event for an online business, so it is essential to remain proactive and vigilant.
If you are a victim of repeate hacks like this and nee further assistance, please do not hesitate to contact us. To stay up to date with the latest attacks, follow all our news on our blog.
