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YubiKey 5Ci Two Factor Authentication For iPhone and Android Users

YubiKey 5Ci Two Factor Authentication was released and has been announced by Yubico. This device is a lighting device and a great security key. This device is more look like a thumb drive. For various applications, it can prove authentication. This device can be used for iPhone and Android users with 2 USB-C models. Currently, this device can be used with Idaptive, 1password, Dashline, Bitwarden, Okata IOS, and LastPass. By utilizing the Brave iOS browser, this device can be used by users so that they can log into Login Gov, Twitter, GitHub, and Bitbucket.org.

There must be a modification and update of other applications so that the YubbiKey API can be used to include authentication. A shortlist was released by the press release that mentioned the anticipated YubiKey 5Ci Two Factor Authentication partners such as Keeper Security, Dropbox, SecMaker, and more.

The mobile authentication ecosystem which has a critical gap problem is solved by the YubiKey 5Ci Two Factor Authentication, this statement was stated by the Chief Solution Officer of Yubico, Jerrod Chong. On the market, it is a friendly security key to offer simple and strong authentication.


YubiKey 5Ci Two Factor Security Key Type of Malware with Many Functions

Several propagation routines and malicious functions are including individual malware programs. It can make you confused if there are no additional classification rules. For example, a certain malicious program may be distributed via P2P networks and via email attachments, it’s important to know about YubiKey 5Ci Two Factor Security Key.

If there is an infected computer, the email addresses from it can be harvested without the user’s consent. With these various functions, this program can be classified correctly as an Email-Worm, a Trojan-Mailfinder, or a P2p-Worm.

To avoid confusion while understanding this problem, a set of unambiguously rules can be applied to know the category of the malicious program regardless of the functions of the program. It will be known for their behavior.

Each behavior has a threat level. Behaviors that pose lower risk are outperformed by those that represent higher risk.  For example, in the fact, a higher threat level is exhibited by the Email-Worm than the behavior of Trojan-Mailfinder and YubiKey 5Ci Two Factor Security Key can overcome this problem.

If there are two or more functions of a malicious program and the threat level of all of them are equal, such as Trojan-ArcBomb, Trojan-Ransom, Trojan-DDoS, Trojan-Clicker, Trojan-Dropper, Trojan-Downloader, Trojan-Proxy, Trojan-Spy, Trojan-PSW, Trojan-IM- this program is classified as a Trojan.

YubiKey 5Ci Two Factor Authentication Protecting Yourself against Phishing and Spam Email

The junk mail has the electronic equivalent that arrives on your postbox or on your doormat. Not just annoying, it is dangerous because it can be a kind of phishing scam. Cybercriminals and Spammers sent emails in mass quantities. They have many purposes. They can obtain a bank account, passwords, details, credit card numbers, and more. They also want to send a malicious code and spread it onto the computers of the recipients. They also can make money if their messages is responded by recipients.

Overcome Universal Phishing Attack Using YubiKey 5Ci Two Factor Security Key

The YubiKey 5Ci Two Factor Security Key was created to solve problems that can be rise because of the use of multiple devices. It gives a greater way which is the security that will not be given by the traditional passwords. The best method is YubiKey 5Ci Two Factor Security Key that can be your security to protect from punishing which can trick a person with a common tactic to convincing that a malicious message received is sent by a trusted person.

It is compatible with both lightning devices like most iPads and iPhones as well as USB-C. The iPad Pro and iPhone models are not supported by that several abilities because iPad Pro feature USB C ports. As it is, the cross-platform is a key and solution for iPads without USB-C, Apple’s iPhone, Windows PCs, and Mac. It is equipped with FIDO U2F, Web Authn, FIDO, OpenPGP, and smart card (PIV).

YubiKey 5Ci Two Factor Authentication Multiple Email Addresses and Private Email Addres

You can consider to use two email addresses at least, and use the YubiKey 5Ci Two Factor Authentication, it is a good idea. The private email address should be used only for personal correspondence purposes. The lists of email addresses that are possible are built by spammers.

By using a clear combination of words, numbers, and names you have to be able to make a spammer hard to guess it. You should make the private address using a difficult last and first name. And always remember, your email address should not be published on accessible online resources.

If you do the electronic way to publish it, try to cover it up so that you can deter spammers to pick it up. For example, [email protected] is very easy to find by spammers. You can try to write Ann-dot-Smith-at-yahoo.com instead.

To do this as a graphics is safer than as a link when your private address needs to be published on a website without worrying about its security. If the spammers discover your private addresses, you should change it, and use YubiKey 5Ci Two Factor Authentication can give great protection.


Specifications of YubiKey 5Ci

USB Type


USB-C, Lightning




Authentication Methods


Passwordless, Strong Two Factor, Strong Multi-Factor

Identity & Access Management


AWS Identity and Access Management (IAM), Centrify, Duo Security, Google Cloud Identity, Microsoft Active Directory, Microsoft Azure AD, Okta, Ping Identity | Emerging support for Lightning connector

Productivity & Communication


Google Account, Microsoft account, Salesforce.com | Emerging support for Lightning connector

Password Managers


1Password, Dashlane Premium, Keeper®, LastPass Premium | Emerging support for Lightning connector

  0 °C - 40 °C (32 °F - 104 °F)
Storage Temperatures   -20 °C - 85 °C (-4 °F - 185 °F)



WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, Universal 2nd Factor (U2F), Smart card (PIV-compatible), Yubico OTP, OATH – HOTP (Event), OATH – TOTP (Time), Open PGP, Secure Static Password



FIDO 2 Certified, FIDO Universal 2nd Factor (U2F) Certified

Cryptographic Specifications


RSA 2048, RSA 4096 (PGP), ECC p256, ECC p384

Design & Durability


No Batteries Required, No Moving Parts

Device Type


FIDO HID Device, CCID Smart Card, HID Keyboard



Made in USA and Sweden

Dimensions   12mm x 40.3mm x 5mm
Weight   2.9g


YubiKey 5Ci Two Factor Security Key Public Email Address 


When there is a necessity to register on chat rooms and public forums, you can use this address, or to subscribe to internet services such as mailing lists. The volume of spam that is received from a public email addresses can be reduced by the following tips. You can treat it as a temporary address, if you treat it as a public address, the spammers can rapidly get a high chance to get hold of it. Especially, if you use it frequently on the internet. So, never be afraid to often change the public email address.

Using multiple public addresses and YubiKey 5Ci Two Factor Security Key is also considerable. You can get more chance to track and know if your address is sold to a spammer by a service. Also, if there is any spam, never respond to it. Log responses and receipts are verified by most spammers. You will receive more spam if you give more responsibility. The fake unsubscribe letter can be sent by a spammer to get a number of active emails addressed, so before deciding to click unsubscribe, think about it before.

The number of spam received can be increased if you click unsubscribe in these letters. If an unknown source sending you to unsubscribe, do not click on it. Another important thing is to always ensure that the web browser you use is the latest version and use YubiKey 5Ci Two Factor Security Key.

And the internet security patches (the latest version) have been applied entirely. Only use a good provider to open an email account, the provider will be included with spam filtering. Choose an internet solution and antivirus that also build-in with good anti-spam features.
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