the threat landscape & network security measures

The Threat Landscape

and

Network Security Measures

Carl B. Forkner

February 1, 2016

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Table of Contents

• Key Terms

• The Threat Landscape

• Network Security Overview

• Evolving and Future Threats

The Threat Landscape

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Key Terms – Threat Landscape

• APT. An advanced persistent threat (APT) is a network attack in which an

unauthorized person gains access to a network and stays there undetected

for a long period of time.

• Bot. An Internet bot, also known as web robot, WWW robot or simply bot, is

a software application that runs automated tasks over the Internet.

• Botnet. A botnet is a number of Internet computers that, although their

owners are unaware of it, have been set up to forward transmissions

(including spam or viruses) to other computers on the Internet.

• Drive-by. A drive-by download refers to the unintentional download of a virus

or malicious software (malware) onto your computer or mobile device.

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Key Terms – Threat Landscape

• Exploit. A piece of software, a segment of data, or command sequences that takes

advantage of a vulnerability.

• IP/PII.

– IP stands for Internet Protocol, or the address commonly used to identify the origin

of an Internet transmission—i.e. your device.

– PII stand for Personally Identifiable Information, sometimes referred to as

“Personal Information,” and is often equated in the U.S. with “Privacy Act

Information.”

• Malvertising. This is the use of online advertising to spread malware.

• Phishing. Phishing is an e-mail fraud method in which the perpetrator sends out

legitimate-looking email in an attempt to gather personal and financial information from

recipients.

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Key Terms – Threat Landscape

Malware. Malware is a category of malicious code that includes viruses, worms, and

Trojan horses.

– Virus. A computer virus is a program or piece of code that is loaded onto your

computer without your knowledge and runs against your wishes. Viruses can also

replicate themselves. All computer viruses are man-made.

– Worm. Computer worms are similar to viruses in that they replicate functional

copies of themselves and can cause the same type of damage.

– Trojan. A Trojan [horse] is a program in which malicious or harmful code is

contained inside apparently harmless programming or data in such a way that it

can get control and do its chosen form of damage.

Vulnerability. In cybersecurity, vulnerability refers to a flaw in a system that can leave

it open to attack.

Watering Hole. The watering hole attack vector targets specific groups by infecting

frequently visited websites with malware.

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The Threat Landscape

• The crime:

– Motive, means, & opportunity

• The technology explosion and a dynamic

environment

– The changing face of threat

vectors

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The Network Security Battle of Minds

Hacker Economy

and Threats

Network Security

Measures

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Who are the Adversaries?

• Previously

– Attention seekers

– Many independent operators

• New breed of attackers

– Hacktivists

– Profit-driven organizations

– Rival corporations

– Rival political nations

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Ranking Adversaries

Threat Level

User ErrorUsers making

Mistakes with

Configurations which

May bring down

Critical resources.

Opportunistic

HackerThese attackers are

usually script kiddies

driven by notoriety.

Insider ThreatAttackers are typically

disgruntled

employees or

ex-employees.

HacktivistsAttackers that have a

political agenda to

get awareness to it.

Organized

CrimeMass attacks driven

by profits.

Government

SponsoredTargeted attacks and

well funded.

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What are they after?

• IP

• Credit Cards & Bank info

• PII – Identity Theft

• Shutting down competition

• Being the next Wikileaks

• Pure profit

• Sabotage

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The Threat Landscape

• Some Major Victims of Network Attacks:

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The Threat Landscape

• Threat Timeline Fall 2013 – Summer 2014

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Organizational Hacking is Rewarding

• Education, training, tech support

• Storefront for hacking tools and zero-day exploits/vulnerability information

• Sophisticated organization

• Backed by governments

• Supported by currencies like Bitcoin

• Obscured through anonymous networks like TOR

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Anatomy of an Attack ‒ The Hacker’s Point of

View

Keep safe Evade Law Enforcement and defensive measures

Define target

Sub – Zero

Research target

Build or acquire tools

Test tools + detection

Planning

Obtain credentials

Strengthen footprint

Initial intrusion

getting in

Outbound communication

initiated

Exfiltration data

Initial intrusion

getting out

Survive

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Hacker Tools

• 2 main categories:

– Social Engineering – The Techniques

– Malware – The Tools

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The Tactics of Social Engineering

• Spoofing

• Phishing

• Spearphishing

• Watering-hole attacks

• Phone calls/impersonation

• Malvertising

• Social Media links

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Known Viruses still a threat

• Why are the old threats still working?

– Unpatched systems

– Old OS versions

– AV/AM signatures not up to date

– SMB, small agencies, partnerships lack security spending but still have

network access

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Kill Chain of an Advanced Attack

SpamMaliciousEmail

MaliciousWeb SiteExploit

Malware Command &Control Center

Bots leverage legitimate IPs to pass

filters. Social engineering fools recipient.

MaliciousLink

Bot Commands& Stolen Data

Fast flux stays ahead

of web ratings

Zero-days pass IPS

Compression passes

static inspection

Encrypted communication

passes controls

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What are Advanced Persistent Threats?

• Advanced Persistent Threats (APT):

– Advanced – Using organized methods, advanced malware, buying new

tools constantly developed

– Persistant – Patient. Using more social engineering combined with

malware and codes. Can be very hard to detect, with expectation of

higher payout.

– Threats – Designed to attack deliberate choices of target. Credit Card

info is cheap on the open market. Now it’s about business disruption,

massive identity theft, IP theft, spying.

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The Advanced Threat Lifecycle -

The Threat

Manufacturing/Recon- Scan for vulnerabilities

- Design phishing emails

- Customize malware, etc.

Command

& Control

1

4

Threat

Vector

Extraction- Package

- Encrypt

- Stage

2

3

Communication- Hide, Disarm

- Spread, Move, Morph

- Dial Home, Update

- Recruit

- Gather targeted data

Infection

….and more

Network Security Measures

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What is Security Intelligence?

• Security intelligence represents knowledge of the identity,

capabilities, and intentions of adversaries engaged in espionage,

sabotage, or theft online.

– Operational (indicators of compromise)

– Tactical (understanding tools, techniques)

– Strategic (understanding who, their intentions, and capabilities)

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Key Terms – Security Measures

• Application Control. Protects managed desktops and servers by allowing or denying

network application usage based on policies established by the network administrator.

• ATP. Advanced Threat Protection (ATP) relies on multiple types of security

technologies, products, and research -- each performing a different role, but still

working seamlessly together -- to combat these attacks from network core through the

end user device.

• AV/AM. Anti-virus/Anti-malware (AV/AM) provides protection against virus, spyware,

and other types of malware attacks in web, email, and file transfer traffic.

• IPS. Intrusion Prevention System (IPS) protects networks from threats by blocking

attacks that might otherwise take advantage of network vulnerabilities and unpatched

systems.

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Key Terms – Security Measures

• NGFW. Next Generation Firewall (NGFW) provides multi-layered capabilities in a

single firewall appliance instead of a basic firewall and numerous add-on appliances.

• Sandboxing. Sandboxing refers to the process of analyzing files in a contained

environment to identify previously unknown threats and uncovering the full attack

lifecycle.

• UTM. Unified Threat Management (UTM) provides administrators the ability to monitor

and manage multiple, complex security-related applications and infrastructure

components through a single management console.

• Web Filtering. Web Filtering technology gives you the option to explicitly allow web

sites, or to pass web traffic uninspected both to and from known-good web sites in

order to accelerate traffic flows.

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Infrastructure Evolution

• From closed networks to a global information grid

• From governments & corporations to housewives & children

1985 1991 1995 2000 200219991967 200719761970 2004 2013-14

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The Importance of Network Security

• What is Modern Network Security?

– User-friendly, but threat-unfriendly

– Unique…just like everyone else

– Maintaining balance, relevance, and Unified Threat Management (UTM)

Servers

Users

VPN

IPS

Firewall

AV/AM

Anti-Spam

URL Filters

Legacy Systems UTM

Servers

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The Advanced Threat Lifecycle –

Breaking the Chain Pt 1

Manufacturing/Recon- Scan for vulnerabilities

- Design phishing emails

- Customize malware, etc.

Command

& Control

1

4

Threat

Vector

Extraction- Package

- Encrypt

- Stage

2

3

Communication- Hide, Disarm

- Spread, Move, Morph

- Dial Home, Update

- Recruit

- Gather targeted data

Infection

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The Advanced Threat Lifecycle –

Breaking the Chain Pt 2

Manufacturing/Recon- Scan for vulnerabilities

- Design phishing emails

- Customize malware, etc.

Command

& Control

1

4

Threat

Vector

Extraction- Package

- Encrypt

- Stage

2

3

Communication- Hide, Disarm

- Spread, Move, Morph

- Dial Home, Update

- Recruit

- Gather targeted data

Infection

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Advanced Threats

• Hackers:

– Experience + Resources = Increased Threats

• Advanced Threat Protection

• Advanced Threats & Network Security: Continuing Evolution…

The Threat Landscape

and

Network Security Measures

Carl B. Forkner

February 1, 2016