8 façons pour améliorer facilement votre cybersécurité en entreprise

5 Min Lecture | October 29, 2020
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La cybercriminalité a coûté 11 milliards de dollars à l'économie mondiale en 2019, selon Asigra, un chef de file canadien de la prévention de la cybercriminalité.

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C'est un montant énorme, et de nombreux experts estiment que ce nombre augmentera en raison d'une pénurie d'agents anti-cybercriminalité efficaces et de l'incapacité des entreprises à trouver ou à retenir des personnes capables de rester en avance sur les cybercriminels et les cyberattaques. Sans les ressources appropriées pour mettre en place un service solide dédié à la prévention des menaces en ligne, vous courrez toujours plus de risques que nécessaire.

Et même si vous relevez le défi et devenez un expert de la cybercriminalité par vous-même, les stratégies d'experts confirmés vont encore loin. L'Australian Cyber ​​Security Center - un leader d'opinion mondial dans ce domaine - recommande un ensemble de stratégies de cybersécurité qu'ils appellent les huit essentiels pour établir une base de référence pour une structure de cybersécurité:

1- Applications de confiance contre les cyberattaques

Chaque entreprise a une liste d’applications essentielles qu’elle utilise régulièrement et qu’elle ne peut pas faire sans. Les logiciels de messagerie électronique, de paie et de planification sont admissibles, tout comme les programmes tels que Word / Excel, Photoshop, CRM, etc. En reconnaissant les outils fondamentaux et quotidiens et en comprenant comment le personnel les utilise, vous pouvez commencer à renforcer votre cybersécurité.

Tout d'abord, assurez-vous de tout comprendre sur ces applications. Qui les possède? Sont-ils hébergés en interne ou dans le nuage? À quelles informations peuvent-ils accéder? Si vous pouvez leur faire confiance, mettez-les sur une liste blanche et bloquez tous les programmes non essentiels.

2- Corrigez régulièrement vos applications pour une meilleur cybersécurité

Les correctifs ont un objectif important en fermant régulièrement les vulnérabilités nouvellement découvertes. Les développeurs les publient spécifiquement pour améliorer la cybersécurité, alors profitez de cette action de protection facile.

Développez un calendrier régulier pour rechercher les mises à jour et appliquez-les dès que vous en êtes informé par le développeur. L'attente vous rend vulnérable au type de violation que le correctif a été conçu pour empêcher.

3- Vérifier les systèmes d'exploitation et micrologiciels

Hardware devices come with installed firmware that make them run. This can also be updated and it’s essential that you update as soon as you’re made aware of changes because all your data and programs run through the firmware.

Check the firmware versions of your servers, workstations, personal laptops, cameras, and printers on your network to make sure they’re up to date.

4- Restrict System Permissions for a better cybersecurity

Certain users in an organization have more rights on the computer network. This lets them perform additional system modifications like creating, changing, and deleting items or settings. These administrative permissions can be abused by hackers, so they need to be audited and controlled by:

  • Establishing a clear separation between regular and administrative work.
  • Setting up the relevant employees with both a normal account like everyone else and a higher-level permissions account.

You should also encourage employees to sign into their account only when they are working on administrative tasks that require additional permissions. Switching between accounts may be inconvenient, but it helps protect the accounts that could cause the most exposure during a cyber-attack.

Also, the more time a person spends online, the more exposed to cybercriminals their access is. By limiting the amount of exposure time, you’re lowering the chances of being hacked by someone who can steal administrative permissions.

5- Block Application Vulnerabilities from cyberattacks

Many programs have third-party software add-ons that can open applications to new vulnerabilities. Block or uninstall plug-ins like Flash, Java, and PDF viewers to prevent ads leading to unsafe sites. Find out what’s essential to your most important programs and eliminate anything that’s not.

6- Cyberattacks can be prevented with Multi-factor Authentication (MFA)

The most common way hackers are able to gain access to a business network is through compromised credentials. Using daily phishing emails, hackers start building lists of exploitable usernames and passwords. They also break into unsupported versions of applications to access personal information and use it to disguise themselves as authorized users. MFA has become an essential part of cybersecurity to combat this process.

MFA is a simple tool that adds extra layers of verification to confirm the identity of a user and is widely supported by apps and services. MFA should be implemented wherever it’s available, so even if passwords are compromised by a hacker, cyberthieves won’t be able to bypass this second stage of security.

Confirmation questions, codes texted to your phone and even finger or eye scans can be used as MFA for your protection. It seems like an inconvenience at first, but it’s becoming more common because it’s so effective at stifling hackers. The system is easy to implement and can be used for everything from email to banking.

7- Cybersecurity Solutions Need to Include Daily Backups

Cybersecurity is often based around prevention, but it can also include mitigating damage. Make the preparations necessary so you can restore as much data as possible and quickly return to regular operations after an attack.

One way is to back up on a daily basis. Look into an automated system that does this on the regular.

8- Configure Macro Settings in Microsoft Office

As the most common productivity tool on a business computer, Microsoft Office is a major target. One way cyberthieves breach an Office environment is through macros: tools you create or download to complete tasks more efficiently.

Since macros are used to deliver code, they are often exploited by hackers who introduce their own instructions that could cripple your digital systems.

To protect against dangerous macros, go into your settings and only allow those macros that are trusted. Block all others by default and make sure users can only add new ones from properly vetted sources.

These eight essential rules can help lower your risk of cyber-attacks. By investing time and resources into each of these cybersecurity basics, you can better protect your resources, your customers and your data.

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