What are Cookies?
These are small text files containing information about the interaction between you and the website you visited. It saves a cookie that recognizes you as the user. Cookies contain very little data. Normally the only data it collects is: The domain name or Website that sent the cookie. The cookie’s expiration date. A randomly generated unique number that helps to recognize you as a returning user. Cookies are also used to keep records of your most recent visit or to record your login information. This can be useful that they can store passwords on frequently used sites, or simply so they know what you have visited or downloaded in the past
Different Types of Cookies
Cookies vary in terms of their purpose and functions. The most common are "session cookies", "permanent cookies', and "third party cookies"
Also known as temporary cookies, are stored in temporary memory and have no expiration date. This type of cookie is created when you visit a website and they only serve for as long as you browse on that page. The cookie is deleted when you close the Web Browser. Session cookies do not collect any information
They help remember and identify you on subsequent visits to a website. Hitting the “Keep me logged in” is only possible with cookies. They handle User Authentication so you do not have to re enter your login info with every visit. Persistent cookies also remember various settings such as preferred language, theme, or your shopping cart. Permanent cookies are very convenient. But for privacy and security reasons it may be better to disable them. If hackers breach the website or your device, permanent cookies could reveal your personal information
Third Party Cookies
Mostly used for cross site user tracking. The data are used by advertisers to serve you targeted ads. They usually appear on sites that have external content or sources, like ads and banners leading to other websites. The domain name in a native website cookie is the same as the web site's domain you see in the browser’s address bar, while third-party cookies have a different domain name
Http Only Cookie
Same Site Cookie
Google Chrome version 51 In 2016 introduced a new kind of cookie. This can only send in requests originating from the same origin as the target domain. This restriction mitigates attacks like cross site request forgery (XSRF)
This type of cookie can be embedded on your device without your knowledge, and are nearly impossible to delete. They also can contain information including browsing history, authentication details, and ad targeting data. They are the most malicious of all cookies
A secure cookie will only be transmitted over an encrypted connection (HTTPS). They will not transmit over unencrypted connections. This makes the cookie less likely to be exposed to cookie theft via eavesdropping
Are Cookies Harmful?
Cookies are not viruses nether are they inherently malicious or dangerous. But with marketing techniques being more sophisticated than ever before, cookies are becoming aggressive in nature and will collect information about your Internet browsing habits. In rare cases they can be compromised by hackers. If you do not like the idea of being tracked and traced - delete your cookies and block any future ones
Deleting Cookies on your PC
Click on the three vertical dots icon in the upper right hand corner and select "Settings" from the menu. Scroll to the bottom of the page and click "Advanced" drop down menu. Click "Privacy and Security". Click on "Clear Browsing Data". Select the Time range and select Cookies and other site data. Then click Clear data
To manage your cookies preferences, repeat the first 2 steps and then: Click on "Site Settings" > "Cookies and Site Data". You can choose to stop sites from collecting cookies, clear all cookies when you close the browser, and block third-party cookies
Click the three lined icon at the upper right corner and select "Options". Click on the "Privacy & Security" tab and scroll down to Cookies and Site Data. Click on "Clear Data". Select Cookies and Site data and click Clear. This will delete all cookies from all websites stored on your device. Delete specific cookies? Go back and select "Manage Data". Then select the website of which cookies you want to delete and hit Remove
Repeat the first 2 steps and then at the top of Privacy & Security tab, you will find content blocking. Choose one of the 3 types of content blocking – Standard, Strict or Custom. Most of them will block known trackers and third-party cookies
Click on the Opera logo at the top left hand corner and select Settings (Preferences on MacOS) in the drop-down menu. Click on "Advanced" > "Privacy & Security" tab from the menu bar on the left. Click on Clear browsing data. Then select the Time range and tick Cookies and other site data box. Hit Clear data
Repeat the first 2 steps and: Click on Site Settings. Then under Permissions select Cookies. You can tweak your settings. You can stop websites from saving and reading cookies, block third-party cookies and deleting cookies when you shut the browser
Safari (MacOS only)
Click Safari from the menu bar and select "Preferences". Click on "Privacy Tab" > "Cookies" > "Website Data" > "Manage Website Data". In the pop up choose the websites whose cookies you would like to delete. Click Remove
Repeat the first 2 steps and then under choose to Block all cookies. Under Website tracking, you can also tick the box to Prevent cross-site tracking
Deleting Cookies On Your Mobile Device
Google Chrome on iOS/Android
Open your Chrome app and click on the three-dot icon. Then select "Settings". Scroll down and click on "Privacy" > "Clear Browsing Data". Select the type of data you want to delete and hit Clear Browsing Data
iPhone for Mozilla Firefox
Open the app and click on the three-line icon. A new tab will open. Select "Settings". Scroll down and select "Data Management". Choose the type of data you would like to delete and click "Clear Private Data". To adjust your tracking settings, repeat the first 2 steps and then click "Tracking Protection". You can choose Standard or Strict tracking protection. Check what elements it will block it could break certain web pages
Android for Mozilla Firefox
Open the app and click on the three-line icon. A new tab will open. Select "Settings" > "Clear Private Data". A new window will pop up. Select Cookies & active logins (and any other data you’d like to delete) and click "Clear Data"
Safari on iOS
Go to Settings, scroll down and select "Clear History" and "Website Data". To confirm, click on Clear History and Data again. This will delete all cookies and cached data. To block cookies, go back and move the bars next to Block All Cookies and Prevent Cross-Site Tracking
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