Change me card mac address book

When you share your contact data, you're giving others an easy and fast way to get in touch with you.

In most cases, if you send someone what's called your vCard, a simple double-click will add you to his contacts list without the need for him to type anything in. It's really cool! To send someone your vCard, just pick up your card in Contacts and drop it on the Mail icon in the Dock.

Fill 'er up!

You could also use Mountain Lion's fancy Share button, which is at the bottom of the Contacts window when you've got a card selected. But what if some of the stuff you've got on your card isn't for public consumption? Your spouse's name, say, or your birthday?


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  • Contacts: Using a Private Me Card – The Mac Observer.
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Well, you can configure your Contacts program so that it won't send what you don't want it to. As you can see in my screenshot, there's a box there labeled Enable private me card.

Organize and Manage Your Mac Contacts with Smart Groups

Legal issues might arise if the user grants access to the software on multiple devices simultaneously. At the same time, the user can obtain access to software for which he or she has not secured a license. Contacting the software vendor might be the safest route to take if there is a hardware problem preventing access to the software.

Software may also perform MAC filtering because the software does not want unauthorized users to gain access to certain networks to which the software grants access. In such cases MAC spoofing can be considered a serious illegal activity and can be legally punished.

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If a user chooses to spoof his or her MAC address in order to protect the user's privacy, [4] this is called identity masking. One might wish to do this because, as an example, on a Wi-Fi network connection a MAC address is not encrypted. Even the secure IEEE However, hackers use the same technique to maneuver around network permissions without revealing their identity.

Some networks use MAC filtering in order to prevent unwanted access.


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  • MAC spoofing.

Hackers can use MAC spoofing to get access to a particular network and do some damage. Hackers' MAC spoofing pushes the responsibility for any illegal activity onto authentic users.

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As a result, the real offender may go undetected by law enforcement. The Linux kernel has supported MAC address randomization during network scans since March , [7] but drivers need to be updated to use this feature.


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Although MAC address spoofing is not illegal, its practice has caused controversy in some cases. In the indictment against Aaron Swartz Internet hacktivist, who was accused of illegally accessing files from JSTOR digital library, prosecutors claimed that because he had spoofed his MAC address it showed purposeful intent to commit criminal acts. MAC address spoofing is limited to the local broadcast domain.

Unlike IP address spoofing , where senders spoof their IP address in order to cause the receiver to send the response elsewhere, in MAC address spoofing the response is usually received by the spoofing party if switch is not configured to prevent MAC spoofing.

From Wikipedia, the free encyclopedia.

How to share your contact card in iOS

SANS Institute. Retrieved 8 February Royal Canadian Mounted Police. Archived from the original on 23 June International Journal of Recent Trends in Engineering.