Re: Linked-in and its Phishing-like contacts option!

Jon Robinson <[email protected]> Wed, 1 May 2013 09:44:36 -0700
Newsgroups gmane.comp.security.firewalls.wizards
Message-ID <CADR-zoPXU+5cR3evia-6FW2vVJu-BB7s9cARHRHDxLJQgdG=Zg@mail.gmail.com>
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It's not free but Palo Alto Networks does this.You can search here to see
which applications/sites they can control:
http://apps.paloaltonetworks.com/applipedia/


Jon Robinson
Digital Scepter
desk (951) 461-7868
mobile (562) 682-0821
[email protected]



On Tue, Apr 30, 2013 at 10:50 PM, Mathew Want <[email protected]> wrote:

> Read only access to the sites. I like that idea a lot.
>
> Has anyone else come across this requirement or found a good way to do it
> at a control point level? Perhaps at the IDS layer?
>
> M@
>
>
> On 1 May 2013 02:20, <[email protected]> wrote:
>
>> > I'm honestly not sure how we could block this stuff in a web-proxy, or
>> be
>> > alerted by an IDS rule short of just blocking the sites.
>> > (Maybe this will start more discussion.  How would one try this?)
>>
>> I have a lot of requests from customers to try to make the web read-only=
.
>> The main use cases are for social network, blogs/wikis, and commenting o=
n
>> posts. The fundamental ways to do this are to 1) have MITM SSL decryptio=
n,
>> and 2) block the POST method for specific sites. Most commercial proxies
>> can do this and even squid does SSL MITM.
>>
>> By blocking POST to certain categories of sites and only allowing the
>> POST for the */logon pages, users can view all the facebook/twitter/yout=
ube
>> they want, but can't write anything outbound to the site. It's pretty
>> effective.
>>
>> e=C2=B2
>> _____________________________________
>>
>> From: [email protected] [mailto:
>> [email protected]] On Behalf Of Bruce Platt
>> Sent: Friday, April 26, 2013 7:41 AM
>> To: Firewall Wizards Security Mailing List
>> Subject: Re: [fw-wiz] Linked-in and its Phishing-like contacts option!
>>
>> I have a love/hate relationship with these as well.  I was only tempted
>> down this perfidious path a few years ago when a set of my Grandchildren
>> asked me to get a Facebook account so we could interact that way as they
>> live on the other coast from me.  I started disliking it within five
>> minutes when a former employer sent me a request to "friend" him.  Then =
it
>> became an issue of who can I not be "friends" with among my contemporari=
es.
>>
>> Same with Linked-In, same with Twitter.
>>
>> Up to this point I'm just addressing the personal inconvenience aspect o=
f
>> it, which is why I chose Crispan's post to which to reply.
>>
>> But, the larger issue is really the risk of exposing all sorts of
>> personal /  corporate information in a variety of unwitting ways.  This =
is
>> the part I hate.  We've had many discussions about the risks of allowing
>> people to use social media web sites from work.  It's a losing battle.
>>  Entering one's email password is just one, and Linked-In is not the onl=
y
>> villain.  I just made some flight reservations yesterday.  The airline
>> website offered to add the reservation to my Calendar.  Not let me downl=
oad
>> a .cal file, but to directly insert it into my calendar.  Uh, no.  Not
>> today.
>>
>> But, this now get's added to our list of worst practices and meet's
>> Paul's criteria of being part of overall operational security.  I'm
>> honestly not sure how we could block this stuff in a web-proxy, or be
>> alerted by an IDS rule short of just blocking the sites.  (Maybe this wi=
ll
>> start more discussion.  How would one try this?)
>>
>> Mix these with BYOD, and it makes a daunting task indeed.
>>
>> Cheers
>>
>> --
>> +------------------------------------+
>> Bruce B. Platt, Ph.D.
>> V.P. Research
>> ei3 Corporation
>> 136 Summit Avenue
>> Montvale, NJ 07645
>> Phone: +1-201-802-9080 ext. 404
>> Facsimile: +1-201-802-9099
>>
>> On Fri, Apr 26, 2013 at 12:53 AM, Crispin Cowan <[email protected]=
m>
>> wrote:
>> I boycott all social media. I=E2=80=99m not opposed to social networking=
, but I
>> am opposed to some dot.com monetizing my relationships; I do all my
>> social networking via open protocols like e-mail, and having a beer with=
 a
>> friend =F0=9F=98=8A
>>
>> I broke this rule once, joining LinkedIn 5 years ago, because I needed a
>> job. LinkedIn was a total failure at getting a job, but attending ToorCo=
n
>> and having a beer with someone I met there worked. I deleted my LinkedIn
>> account when I got tired of the =E2=80=9CFoo wants to connect with you=
=E2=80=9D spam. I=E2=80=99m
>> still getting LinkedIn spam.
>>
>> Screw social networking web sites. I don=E2=80=99t have a FaceBook page =
or a
>> Twitter account, and never will.
>>
>> Funny, I never envisioned myself as Clint Eastwood yelling at kids to ge=
t
>> off my lawn, but here I am =F0=9F=98=8A
>>
>> Sent from Windows Mail
>>
>> From: Gautier . Rich
>> Sent: =E2=80=8EThursday=E2=80=8E, =E2=80=8EApril=E2=80=8E =E2=80=8E25=E2=
=80=8E, =E2=80=8E2013 =E2=80=8E9=E2=80=8E:=E2=80=8E28=E2=80=8E =E2=80=8EPM
>> To: Firewall Wizards Security Mailing List
>>
>> Thoughts? I=E2=80=99m wondering why User Operational Security falls unde=
r the
>> realm of Firewall Wizards..  Other than that, I=E2=80=99d say =E2=80=93 =
They=E2=80=99re not alone
>> by any stretch of the imagination, and plenty of users seem to be perfec=
tly
>> willing to accept the risk (or be unaware of it).  However, not much you
>> can do on the firewall side other than turning off webmail access...
>>
>> Richard Gautier, CISSP
>> Enterprise Architect, Federal Group
>> 650 Massachusetts Avenue NW
>> Suite 510
>> Washington, DC 20001
>> Office: (571) 226-8828  |  Cell: (703) 231-2156
>> [email protected]  |  www.drc.com
>>
>> From: [email protected] [mailto:
>> [email protected]] On Behalf Of Mathew Want
>> Sent: Monday, April 22, 2013 7:30 PM
>> To: Firewall Wizards Security Mailing List
>> Subject: [fw-wiz] Linked-in and its Phishing-like contacts option!
>>
>> Hiya all.
>>
>> Has anyone else noticed the option to see who else they know is connecte=
d
>> on Linked-in? Have you noticed that if you click on the outlook button i=
t
>> asks you for your WORK EMAIL PASSWORD!!!!!
>> Bloody hell! It's not like the job of getting users to not submit this
>> information to other sites isn't already hard enough without this!!! The
>> "can't put brains in pumpkins " department must be having a field day ov=
er
>> this.
>> Am I the only one that think this is a touch negligent on the part of
>> Linked-in? Or should I just accept that it is corporate facebook, accept=
s
>> that they have the dame moral fibre and move on?
>> Maybe I am expecting too much? Thoughts?
>> --
>> Regards,
>> M@
>> --
>> "Some things are eternal by nature,
>> others by consequence"
>> ________________________________________
>> This electronic message transmission and any attachments that accompany
>> it contain information from DRC=C2=AE (Dynamics Research Corporation) or=
 its
>> subsidiaries, or the intended recipient, which is privileged, proprietar=
y,
>> business confidential, or otherwise protected from disclosure and is the
>> exclusive property of DRC and/or the intended recipient. The information=
 in
>> this email is solely intended for the use of the individual or entity th=
at
>> is the intended recipient. If you are not the intended recipient, any us=
e,
>> dissemination, distribution, retention, or copying of this communication=
,
>> attachments, or substance is prohibited. If you have received this
>> electronic transmission in error, please immediately reply to the author
>> via email that you received the message by mistake and also promptly and
>> permanently delete this message and all copies of this email and any
>> attachments. We thank you for your assistance and apologize for any
>> inconvenience.
>>
>> _______________________________________________
>> firewall-wizards mailing list
>> [email protected]
>> https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards
>>
>>
>> _______________________________________________
>> firewall-wizards mailing list
>> [email protected]
>> https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards
>>
>
>
>
> --
> "Some things are eternal by nature,
> others by consequence"
>
> _______________________________________________
> firewall-wizards mailing list
> [email protected]
> https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards
>
>

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<div dir=3D"ltr">It&#39;s not free but Palo Alto Networks does this.You can=
 search here to see which applications/sites they can control:=C2=A0<a href=
=3D"http://apps.paloaltonetworks.com/applipedia/">http://apps.paloaltonetwo=
rks.com/applipedia/</a><div class=3D"gmail_extra">
<br clear=3D"all"><div><div dir=3D"ltr"><div><br></div><div>Jon Robinson</d=
iv><div>Digital Scepter</div><div>desk (951) 461-7868</div><div>mobile (562=
) 682-0821</div><div><a href=3D"mailto:[email protected]" target=3D"_b=
lank">[email protected]</a></div>
<div><br></div></div></div>
<br><br><div class=3D"gmail_quote">On Tue, Apr 30, 2013 at 10:50 PM, Mathew=
 Want <span dir=3D"ltr">&lt;<a href=3D"mailto:[email protected]" target=3D"=
_blank">[email protected]</a>&gt;</span> wrote:<br><blockquote class=3D"gma=
il_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex">
<div dir=3D"ltr"><div>Read only access to the sites. I like that idea a lot=
.<br><br>Has anyone else come across this requirement or found a good way t=
o do it at a control point level? Perhaps at the IDS layer?<span class=3D"H=
OEnZb"><font color=3D"#888888"><br>
<br></font></span></div><span class=3D"HOEnZb"><font color=3D"#888888">M@ <=
br>
</font></span></div><div class=3D"HOEnZb"><div class=3D"h5"><div class=3D"g=
mail_extra"><br><br><div class=3D"gmail_quote">On 1 May 2013 02:20,  <span =
dir=3D"ltr">&lt;<a href=3D"mailto:[email protected]" target=3D"_bl=
ank">[email protected]</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
<div>&gt; I&#39;m honestly not sure how we could block this stuff in a web-=
proxy, or be<br>
&gt; alerted by an IDS rule short of just blocking the sites.<br>
&gt; (Maybe this will start more discussion. =C2=A0How would one try this?)=
<br>
<br>
</div>I have a lot of requests from customers to try to make the web read-o=
nly. The main use cases are for social network, blogs/wikis, and commenting=
 on posts. The fundamental ways to do this are to 1) have MITM SSL decrypti=
on, and 2) block the POST method for specific sites. Most commercial proxie=
s can do this and even squid does SSL MITM.<br>


<br>
By blocking POST to certain categories of sites and only allowing the POST =
for the */logon pages, users can view all the facebook/twitter/youtube they=
 want, but can&#39;t write anything outbound to the site. It&#39;s pretty e=
ffective.<br>


<br>
e=C2=B2<br>
_____________________________________<br>
<br>
From: <a href=3D"mailto:[email protected]" tar=
get=3D"_blank">[email protected]</a> [mailto:<=
a href=3D"mailto:[email protected]" target=3D"=
_blank">[email protected]</a>] On Behalf Of Br=
uce Platt<br>


Sent: Friday, April 26, 2013 7:41 AM<br>
<div>To: Firewall Wizards Security Mailing List<br>
</div>Subject: Re: [fw-wiz] Linked-in and its Phishing-like contacts option=
!<br>
<div><div><br>
I have a love/hate relationship with these as well. =C2=A0I was only tempte=
d down this perfidious path a few years ago when a set of my Grandchildren =
asked me to get a Facebook account so we could interact that way as they li=
ve on the other coast from me. =C2=A0I started disliking it within five min=
utes when a former employer sent me a request to &quot;friend&quot; him. =
=C2=A0Then it became an issue of who can I not be &quot;friends&quot; with =
among my contemporaries.<br>


<br>
Same with Linked-In, same with Twitter.<br>
<br>
Up to this point I&#39;m just addressing the personal inconvenience aspect =
of it, which is why I chose Crispan&#39;s post to which to reply.<br>
<br>
But, the larger issue is really the risk of exposing all sorts of personal =
/ =C2=A0corporate information in a variety of unwitting ways. =C2=A0This is=
 the part I hate. =C2=A0We&#39;ve had many discussions about the risks of a=
llowing people to use social media web sites from work. =C2=A0It&#39;s a lo=
sing battle. =C2=A0Entering one&#39;s email password is just one, and Linke=
d-In is not the only villain. =C2=A0I just made some flight reservations ye=
sterday. =C2=A0The airline website offered to add the reservation to my Cal=
endar. =C2=A0Not let me download a .cal file, but to directly insert it int=
o my calendar. =C2=A0Uh, no. =C2=A0Not today.<br>


<br>
But, this now get&#39;s added to our list of worst practices and meet&#39;s=
 Paul&#39;s criteria of being part of overall operational security. =C2=A0I=
&#39;m honestly not sure how we could block this stuff in a web-proxy, or b=
e alerted by an IDS rule short of just blocking the sites. =C2=A0(Maybe thi=
s will start more discussion. =C2=A0How would one try this?)<br>


<br>
Mix these with BYOD, and it makes a daunting task indeed.<br>
<br>
Cheers<br>
<br>
--<br>
+------------------------------------+<br>
Bruce B. Platt, Ph.D.<br>
V.P. Research<br>
ei3 Corporation<br>
136 Summit Avenue<br>
Montvale, NJ 07645<br>
Phone: <a href=3D"tel:%2B1-201-802-9080%20ext.%20404" value=3D"+12018029080=
" target=3D"_blank">+1-201-802-9080 ext. 404</a><br>
Facsimile: <a href=3D"tel:%2B1-201-802-9099" value=3D"+12018029099" target=
=3D"_blank">+1-201-802-9099</a><br>
<br>
On Fri, Apr 26, 2013 at 12:53 AM, Crispin Cowan &lt;<a href=3D"mailto:crisp=
[email protected]" target=3D"_blank">[email protected]</a>&gt; wro=
te:<br>
I boycott all social media. I=E2=80=99m not opposed to social networking, b=
ut I am opposed to some <a href=3D"http://dot.com" target=3D"_blank">dot.co=
m</a> monetizing my relationships; I do all my social networking via open p=
rotocols like e-mail, and having a beer with a friend =F0=9F=98=8A<br>


<br>
I broke this rule once, joining LinkedIn 5 years ago, because I needed a jo=
b. LinkedIn was a total failure at getting a job, but attending ToorCon and=
 having a beer with someone I met there worked. I deleted my LinkedIn accou=
nt when I got tired of the =E2=80=9CFoo wants to connect with you=E2=80=9D =
spam. I=E2=80=99m still getting LinkedIn spam.<br>


<br>
Screw social networking web sites. I don=E2=80=99t have a FaceBook page or =
a Twitter account, and never will.<br>
<br>
Funny, I never envisioned myself as Clint Eastwood yelling at kids to get o=
ff my lawn, but here I am =F0=9F=98=8A<br>
<br>
Sent from Windows Mail<br>
<br>
From: Gautier . Rich<br>
Sent: =E2=80=8EThursday=E2=80=8E, =E2=80=8EApril=E2=80=8E =E2=80=8E25=E2=80=
=8E, =E2=80=8E2013 =E2=80=8E9=E2=80=8E:=E2=80=8E28=E2=80=8E =E2=80=8EPM<br>
To: Firewall Wizards Security Mailing List<br>
<br>
Thoughts? I=E2=80=99m wondering why User Operational Security falls under t=
he realm of Firewall Wizards.. =C2=A0Other than that, I=E2=80=99d say =E2=
=80=93 They=E2=80=99re not alone by any stretch of the imagination, and ple=
nty of users seem to be perfectly willing to accept the risk (or be unaware=
 of it). =C2=A0However, not much you can do on the firewall side other than=
 turning off webmail access...<br>


<br>
Richard Gautier, CISSP<br>
Enterprise Architect, Federal Group<br>
</div></div><div>650 Massachusetts Avenue NW<br>
Suite 510<br>
Washington, DC 20001<br>
Office: <a href=3D"tel:%28571%29%20226-8828" value=3D"+15712268828" target=
=3D"_blank">(571) 226-8828</a> =C2=A0| =C2=A0Cell: <a href=3D"tel:%28703%29=
%20231-2156" value=3D"+17032312156" target=3D"_blank">(703) 231-2156</a><br=
>
<a href=3D"mailto:[email protected]" target=3D"_blank">[email protected]</a> =
=C2=A0| =C2=A0<a href=3D"http://www.drc.com" target=3D"_blank">www.drc.com<=
/a><br>
<br>
From: <a href=3D"mailto:[email protected]" tar=
get=3D"_blank">[email protected]</a> [mailto:<=
a href=3D"mailto:[email protected]" target=3D"=
_blank">[email protected]</a>] On Behalf Of Ma=
thew Want<br>


Sent: Monday, April 22, 2013 7:30 PM<br>
To: Firewall Wizards Security Mailing List<br>
Subject: [fw-wiz] Linked-in and its Phishing-like contacts option!<br>
<br>
Hiya all.<br>
<br>
Has anyone else noticed the option to see who else they know is connected o=
n Linked-in? Have you noticed that if you click on the outlook button it as=
ks you for your WORK EMAIL PASSWORD!!!!!<br>
Bloody hell! It&#39;s not like the job of getting users to not submit this =
information to other sites isn&#39;t already hard enough without this!!! Th=
e &quot;can&#39;t put brains in pumpkins &quot; department must be having a=
 field day over this.<br>


Am I the only one that think this is a touch negligent on the part of Linke=
d-in? Or should I just accept that it is corporate facebook, accepts that t=
hey have the dame moral fibre and move on?<br>
Maybe I am expecting too much? Thoughts?<br>
--<br>
Regards,<br>
M@<br>
--<br>
&quot;Some things are eternal by nature,<br>
others by consequence&quot;<br>
</div>________________________________________<br>
<div><div>This electronic message transmission and any attachments that acc=
ompany it contain information from DRC=C2=AE (Dynamics Research Corporation=
) or its subsidiaries, or the intended recipient, which is privileged, prop=
rietary, business confidential, or otherwise protected from disclosure and =
is the exclusive property of DRC and/or the intended recipient. The informa=
tion in this email is solely intended for the use of the individual or enti=
ty that is the intended recipient. If you are not the intended recipient, a=
ny use, dissemination, distribution, retention, or copying of this communic=
ation, attachments, or substance is prohibited. If you have received this e=
lectronic transmission in error, please immediately reply to the author via=
 email that you received the message by mistake and also promptly and perma=
nently delete this message and all copies of this email and any attachments=
. We thank you for your assistance and apologize for any inconvenience.<br>


<br>
_______________________________________________<br>
firewall-wizards mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank"=
>[email protected]</a><br>
<a href=3D"https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards"=
 target=3D"_blank">https://listserv.icsalabs.com/mailman/listinfo/firewall-=
wizards</a><br>
<br>
<br>
_______________________________________________<br>
firewall-wizards mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank"=
>[email protected]</a><br>
<a href=3D"https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards"=
 target=3D"_blank">https://listserv.icsalabs.com/mailman/listinfo/firewall-=
wizards</a><br>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br>&quot;Some =
things are eternal by nature,<br>others by consequence&quot;<br>
</div>
</div></div><br>_______________________________________________<br>
firewall-wizards mailing list<br>
<a href=3D"mailto:[email protected]">firewall-wizards@=
listserv.icsalabs.com</a><br>
<a href=3D"https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards"=
 target=3D"_blank">https://listserv.icsalabs.com/mailman/listinfo/firewall-=
wizards</a><br>
<br></blockquote></div><br></div></div>

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