For the Defense - Volume 2, Issue 4 - 2017 - 48

has no expiration date. This data isn't limited to
what we can tell from call detail record (CDR)
data and triangulation, but a precisely calculated
combination of GPS, WiFi, Bluetooth, and cell
towers can paint a much clearer map of where,
when, and what a user has been doing. All of this
data is readily available and up for the taking in
any litigation.
The cloud can also contain entire copies of
physical devices. Apple offers full device backups
via iCloud, as does Google with their Google
Drive service. Often even if the mobile device in
question was lost, damaged, or simply does not
contain the data needed it can be recovered from
a cloud backup.
Today's digital forensic experts facing
ever-growing challenges when it comes to
obtaining and finding hidden data. In recent
years the explosion of unstructured digital
information available online means that there
are more data points now than ever to analyze

and sift through during an investigation. To put
big data in perspective; YouTube users upload 48
hours of new video every sixty seconds, Facebook
receives over 100 terabytes of new data every
day, AT&T has over 1.9 trillion call records stored
in its database, and every single minute over 550
new websites go live. Data overload is happening
now, and it shows no signs of stopping anytime
soon. Add to that the issues of data being "out of
jurisdiction" and that major technology companies
such as Google and Apple have begun defying
judges' orders in criminal investigations, refusing
to turn over digital evidence of crimes because of
increasingly stringent privacy laws abroad. Should
you have a criminal matter that involves technology (which likely does) it is always important to
seek out highly trained and experienced certified
digital forensic experts that can assist you in your
investigation to properly collect and preserve your
electronic data and ultimately for it to be entered
into evidence and admissible in court.

About the Authors
Louis Cinquanto (left) is the Founder and Senior
Certified Digital Forensic Examiner at Cornerstone
Discovery. Louis is an admitted expert in computer
forensics in both federal and state courts. As
a Certified Digital Forensic Examiner, his vast
proficiency includes computer, mobile and network
digital forensics. Cornerstone Discovery, headquartered in Philadelphia, PA is an award-winning
litigation support firm that provides comprehensive criminal & civil litigation support and consulting
services in areas such as digital forensics, e-Discovery, litigation and trial support. Cornerstone Discovery
also develops and provides innovative web-based e-Discovery and trial support solutions in Junto® and
Docfolio.SM Cornerstone Discovery helps today's legal professionals revolutionize their cases in and out of
the courtroom with direct access to certified technical experts and experienced trial technicians that offer
strategic consulting services, dedicated project management, and innovative solutions.
Jason Silva (center) is Director of Operations and a Certified Digital Forensic Examiner at Cornerstone
Discovery. When not managing the day-to-day operations of Cornerstone Discovery and onboarding new
matters, Jason project manages digital forensic and e-Discovery cases.
Kyle McArdle (right) is Senior Developer and Head of IT at Cornerstone Discovery. In Kyle's current role he
oversees and maintains Cornerstone Discovery's web properties including cornerstonediscovery.com, junto.
net and docfol.io as well as the company's computer infrastructure and security.

For The Defense | Vol. 2, Issue 4

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Table of Contents for the Digital Edition of For the Defense - Volume 2, Issue 4 - 2017