Security Blog
The latest news and insights from Google on security and safety on the Internet
Safe Browsing protection from even more deceptive attacks
2015年11月13日
Posted by Emily Schechter, Program Manager and Noé Lutz, Software Engineer
Safe Browsing
has been protecting over one billion people from
traditional phishing attacks
on the web for more than eight years. The threat landscape is constantly changing—bad actors on the web are using more and different types of deceptive behavior to trick you into performing actions that you didn’t intend or want, so we’ve expanded protection to include social engineering.
Social engineering is a much broader category than traditional phishing and encompasses more types of deceptive web content. A social engineering attack happens when either:
The content pretends to act, or looks and feels, like a trusted entity — like a bank or government.
The content tries to trick you into doing something you’d only do for a trusted entity — like sharing a password or calling tech support.
Below are some examples of social engineering attacks that try to trick you into thinking the content is delivered by Google or Chrome. Other trusted brands are also commonly abused for social engineering attacks.
This page tries to trick you into downloading and executing malware or unwanted software. It uses Chrome’s logo and name to confuse you into believing the site is operated by Google. Content like this may include an inconspicuous legal disclaimer that states it is not affiliated with Google. This does not change the deceptive nature of this content—as always, use caution when downloading files from the web.
This is a fake tech phone support page. This page mimics a warning and may trick you into calling a third-party company that pretends to be Google or some other trusted entity, but charges a fee for support. (Chrome does not offer paid remote support).
This is a fake Google login page. It might trick you into disclosing your account login credentials. Other phishing sites like this could trick you into giving up other personal information such as credit card information. Phishing sites may look exactly like the real site—so be sure to look at the address bar to check that the URL is correct, and also check to see that the website begins with https://. See more information
here
.
If we identify that a web page contains social engineering content, Chrome will warn you by displaying the following warning:
(If you believe Safe Browsing has classified a web page in error, please report it
here
.)
We'll continue to improve Google's Safe Browsing protection to help more people stay safer online. Check out the
Safe Browsing Transparency Report
to find out more.
New Research: Encouraging trends and emerging threats in email security
2015年11月12日
Posted by Elie Bursztein, Anti-Fraud and Abuse Research and Nicolas Lidzborski, Gmail Security Engineering Lead
We’re constantly working to help make email more secure for everyone. These efforts are reflected in security protections like
default HTTPS
in Gmail as well as our
Safer Email Transparency report
, which includes information about email security beyond just Gmail.
To that end, in partnership with the University of Michigan and the University of Illinois, we’re publishing the results of a
multi-year study
that measured how email security has evolved since 2013. While Gmail was the foundation of this research, the study’s insights apply to email more broadly, not unlike our
Safer Email Transparency report
. It’s our hope that these findings not only help make Gmail more secure, but will also be used to help protect email users everywhere as well.
Email security strengthens, industry-wide
The study showed that email is more secure today than it was two years ago. Here are some specific findings:
Newer security challenges and how we can address them
Our study identified several new security challenges as well.
First, we found regions of the Internet actively preventing message encryption by tampering with requests to initiate SSL connections. To mitigate this attack, we are working closely with partners through the industry association
M3AAWG
to strengthen “opportunistic TLS” using technologies that we pioneered with Chrome to protect websites against interception.
Second, we uncovered malicious DNS servers publishing bogus routing information to email servers looking for Gmail. These nefarious servers are like telephone directories that intentionally list misleading phone numbers for a given name. While this type of attack is rare, it’s very concerning as it could allow attackers to censor or alter messages before they are relayed to the email recipient.
While these threats do not affect Gmail to Gmail communication, they may affect messaging between providers. To notify our users of potential dangers, we are developing in-product warnings for Gmail users that will display when they receive a message through a non-encrypted connection. These warnings will begin to roll-out in the coming months.
All email services—Gmail included—depend on the trust of their users. Partnering with top researchers helps us make the email ecosystem as a whole safer and more secure for everyone. Security threats won’t disappear, but studies like these enable providers across the industry to fight them with better, more powerful protections today and going forward.
[This work was made possible thanks to the contribution of many Googlers including Vijay Eranti, Kurt Thomas, John Rae-Grant, and Mark Risher.]
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