# 7: Security

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## Operating System Updates

It's dangerously easy to assume nothing bad will ever happen to you. Viruses and computer hacks happen to our students. Again, please take this seriously and we can avoid most of it.

When major viruses and hacks break out, companies release updates to operating systems to correct vulnerabilities. To stay safe, you have to stay updated. Check around on your devices.&#x20;

### MacOS

Let's check for software updates in "About This Mac"

<img src="https://3264659121-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Lh5c6I1CKUNWFu57uxg%2Fuploads%2FYCi7WKf6gR1pQL0pdbFo%2Fimage.png?alt=media&#x26;token=128f0a74-5177-4d80-a31a-4fd48aa4ab24" alt="" data-size="original">

![From "About This Mac" you can check for a software update](https://3264659121-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lh5c6I1CKUNWFu57uxg%2F-M2nkrzFcwOcMOzwn0O1%2F-M2nmyX4l9tzzVnpuStq%2F1.gif?alt=media\&token=66eea856-faa7-4d46-bfc0-80a17e674f67)

###

![More updates can be found here](https://lh3.googleusercontent.com/wEPjfCsxizO_tZWJoEKtYnor853oG9abZIh3oBGUwYw_eXAceaQGLKYVNlysAaz1HKTbxN5M75GzKRib-D6tbVvUcCkasTgBjANqgVsaUDwHJTHFSpekt6iBMzQ6Du2xiPT69WGU)

### Windows

![On a Windows machine, press the Start button and type "Update"](https://lh4.googleusercontent.com/UnP_7pYcMmAFweI7XQV-CsuABxd-qRH_KZZdEipTqXii5yHaPm-Cw4_mu5dnvmI3unl4I95vtv7sMf-MtbDijd7_Srzj4aVsBAeTTBCgbphuyRWFFgoQeXSYH8WATu1pjsp9cJ0v)

## Antivirus and Anti-Malware

#### Antivirus & Anti-Malware Protection

**Why it’s essential:**\
Operating system updates fix known vulnerabilities—but malware can still sneak in through unsecured downloads, phishing attempts, or compromised websites.

**Recommended options:**

* **For Windows:**
  * **Bitdefender Antivirus Free for Windows** – lightweight, effective, and automatic protection.
  * **Microsoft Defender (built-in)** – solid baseline protection if kept updated.
  * **Avast One Essential** – free, user-friendly, with additional features.
* **For macOS:**
  * **Bitdefender Virus Scanner for Mac** – reliable scanning and real-time protection in paid version.
  * **Avast Security for Mac** – free option that covers malware, phishing, and Wi-Fi security.
  * **Sophos Home Free (Mac)** – solid detection with parental web-filtering features.

**Tip:** Whatever tool you choose, make sure real-time protection is enabled and updates are automatic.

#### **Tips & Tricks for Staying Secure**

| Pro Tips for Staying Safe                    |                                                                               |
| -------------------------------------------- | ----------------------------------------------------------------------------- |
| **Keep all software up-to-date**             | Don’t forget third-party apps—patches for these are just as crucial.          |
| **Avoid suspicious links or downloads**      | When in doubt, skip it or verify before executing.                            |
| **Use strong, unique passwords**             | Consider a password manager to help manage them securely.                     |
| **Enable multi-factor authentication (MFA)** | Enable wherever possible—especially for school and other crucial accounts.    |
| **Back up your data regularly**              | Losing files to malware or accidental deletion? Keep your work stored safely. |