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What are the best practices for securing data on your laptop?

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If you use a laptop for work or personal purposes, you probably store a lot of sensitive data on it, such as passwords, documents, photos, and emails. Losing or exposing this data could have serious consequences, such as identity theft, fraud, or privacy breaches. That's why you need to follow some best practices for securing data on your laptop, whether you are at home, in the office, or on the go. In this article, we will cover six tips to help you protect your laptop data from unauthorized access, theft, or damage.

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Victor Verrier

Administrateur Systèmes

1 Encrypt your data

One of the most effective ways to secure data on your laptop is to encrypt it, which means converting it into a code that only you can decipher with a key or a password. Encryption prevents anyone who gets hold of your laptop from reading your data, even if they bypass your login screen or remove your hard drive. You can encrypt your data using built-in tools, such as BitLocker for Windows or FileVault for Mac, or third-party software, such as VeraCrypt or AxCrypt.

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Lakhyajit Raman Malakar

Chief Manager IT at UCO Bank | CEH | Pentest+ | Data+
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There was a time we used to encrypt only specific files in the laptop depending upon their data sensitivity level. This process was tedious and gave rise to the problem of managing multiple passwords. Now with modern encryption tools that support disk level encryption, it has become much easier to ensure confidentiality of data stored in the laptop using a single password. Disk level encryption also helps to prevent cracking of user login system of the native OS by using live boot OS.

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2 Use strong passwords

Another essential practice for securing data on your laptop is to use strong passwords for your user account, your applications, and your online services. A strong password is one that is long, complex, unique, and unpredictable, and that you change regularly. You can use a password manager, such as LastPass or Dashlane, to generate and store your passwords securely. You should also enable multi-factor authentication (MFA), which requires you to enter a code or a biometric feature, such as your fingerprint or face, in addition to your password.

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Victor Verrier

Administrateur Systèmes
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Avec l'augmentation constante des cyberattaques, l'adoption de mots de passe forts, combinée à des pratiques comme l'authentification à deux facteurs, est une étape essentielle pour protéger les informations numériques contre les menaces en ligne.

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3 Update your software

Keeping your software up to date is also important for securing data on your laptop, as it helps you fix any vulnerabilities or bugs that could be exploited by hackers or malware. You should update your operating system, your applications, and your antivirus software regularly, and enable automatic updates whenever possible. You should also avoid downloading or opening any suspicious files or links, and scan your laptop for malware periodically.

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4 Backup your data

Backing up your data is another crucial practice for securing data on your laptop, as it helps you recover your data in case of loss, theft, or damage. You should backup your data to an external device, such as a USB drive or a hard disk, and to a cloud service, such as Dropbox or Google Drive. You should backup your data frequently, and encrypt your backups as well.

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Victor Verrier

Administrateur Systèmes
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La règle de sauvegarde "3-2-1" recommande de garder 3 copies de chaque fichier (1 originale + 2 sauvegardes), d'utiliser 2 types de médias de stockage différents (comme un disque dur et le cloud), et de conserver 1 copie hors site pour se protéger contre les sinistres locaux. Cela assure une récupération fiable des données en cas de perte, de corruption ou de catastrophe.

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Lakhyajit Raman Malakar

Chief Manager IT at UCO Bank | CEH | Pentest+ | Data+
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While disk level encryption protects the data stored in the laptop from falling into the wrong hands, it doesn't help the owner to recover data in case the laptop gets lost or stolen. It is crucial that all the important data stored in the laptop are regularly backed up following a suitable back-up plan and backup software. It is also to be ensured that backups are stored in an encrypted format, irrespective of it is stored in cloud, SAN, portable drive or or any other media. Backup files should also be checked in intervals to ensure that backups are created properly and that restoration of data is possible from the backup.

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5 Lock your laptop

Locking your laptop is also a simple but effective way to secure data on your laptop, as it prevents anyone from accessing your laptop when you are away from it. You should lock your laptop whenever you leave it unattended, even for a short time, by pressing the Windows key + L for Windows or Control + Command + Q for Mac. You should also use a physical lock, such as a cable lock or a padlock, to secure your laptop to a fixed object, such as a desk or a table.

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6 Dispose of your laptop safely

Finally, when you decide to get rid of your laptop, you should dispose of it safely to avoid exposing your data to anyone who might find it or buy it. You should delete all your data from your laptop, and then wipe your hard drive using a tool, such as DBAN or Eraser, that overwrites your data multiple times. You should also remove any stickers or labels that contain your personal information, and recycle your laptop properly.

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Gregory Agerba
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If feasible, remove the hard drive and shred it. If that's not an option, perform multiple zeroing passes on the disk using specialized utilities to ensure the data is irrecoverable. Eliminate any identifying tags and ensure that the finance department writes it off the books.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Gregory Agerba
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Consider whether the laptop is utilized for all tasks or only specific functions. It is advisable to have a dedicated laptop for business requirements and a separate one for privileged operations, to lower unnecessary risks.

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What are the best practices for securing data on your laptop?

1

2

3

4

5

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7

1 Encrypt your data

2 Use strong passwords

3 Update your software

4 Backup your data

5 Lock your laptop

6 Dispose of your laptop safely

7 Here’s what else to consider

IT Operations

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What are the best practices for securing data on your laptop?

1

2

3

4

5

6

7

1 Encrypt your data

2 Use strong passwords

3 Update your software

4 Backup your data

5 Lock your laptop

6 Dispose of your laptop safely

7 Here’s what else to consider

IT Operations

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