IBM Systems magazine, Power Systems - August 2019 - 15

Next, there's a layer of application functions that are accessed.
Often, the functions are written
with the assumption that they're
called only by authorized access.
However, an elegant security implementation using cross-cutting
functionality will check independently to ensure the access
is authorized.
Sometimes a front-door process
is used to check credentials between the consumption of a service
and the delivery of that service. This
is obviously important if the consumer is unknown or from sources
outside the control of the application. That authentication could
contain some form of artifact-potentially a token that's carried
with the request.
A well-designed security implementation
makes no assumptions about the
origin of a request,
ensuring every
transaction is consumed with the appropriate credentials.
Many IBM i applications
assume security by obscurity and don't include
security checks within the
application itself.
Data is the lowest layer. While
IBM i supports authority based on
'%É$Ã"$!®ÉÃ&!ÃÆ$Ä$É%ÃÄ ÈÃ!ÆÉÇ&%QÃ
modern applications may not use
)"-ÃÃ'%É$Ã"$!®É%Ã!$ÃÉ(É$1ÃÄ'thenticated user. A combined security effort through other architectural layers and through effective
database security is needed.
7&ÃÄ Ã)"-ÃÃ'%É$Ã"$!®ÉÃ
authentication, multiple security
tools such as Row Column Access
Control (RCAC), along with the
ability to obfuscate data values for
different levels of authority are
available. This will mean more
setup and management work than
traditional IBM i shops are used to,
but attention is required.

Infrastructure,
Social and Beyond

Balancing Security
and Usability

Outside of applications, infrastructure security in many companies
is often missing or incomplete.
External access to internal servers
can be managed using exit points.
Firewalls and VPNs are traditional
infrastructure tools, but as attacks
grow more sophisticated, defense
mechanisms must be enhanced,
evolved and maintained.
Physical security is another
topic to consider. ID badges and
door keycard access are standard
security procedures. Even security and background checks on
employees are part of a security

In a world replete with access to
the internet and applications with
mobile devices, appropriate defenses are needed to defend against
leaving company data and access
on a device that may easily be lost
or stolen. However security is applied, a balance needs to be made
between usability of a device and
its security features.
Ultimately, security is a deep
and wide topic that requires
appropriate attention to detail
and an elegant architecture. It
bears repeating that addressing
security at the start of application

Ongoing attention to, and maintenance
of, security processes and protocols
will also require research of what's
happening in the IT ecosystem. New
hacks, new attacks, new defenses
and new applications must be
reviewed regularly.
É&!È!!1NÃ4ÉÃ!%&ÃÈ®Ç'&Ã
aspect for traditional IBM i companies is culture change. When staff
have been employed for decades
and everyone is regarded as family,
a false sense exists that no one
would do anything to breach security. Even a friendly thing such as
holding open a secure door for a
co-worker can be a security threat.
This leads to a discussion of
social hacks. Simple actions such
as a fake IT person calling and
asking for a password to solve a
problem can potentially expose
your applications and data to
theft. Email and website phishing
need to be addressed-a process
that often requires education and
cultural shift.

development and modernization
is key to effectiveness and helps
avoid more complex and costly
implementation.
Ongoing attention to, and maintenance of, security processes and
protocols will also require research
of what's happening in the IT
ecosystem. New hacks, new attacks,
new defenses and new applications
must be reviewed regularly. Security isn't something to implement
and forget.
In summary, two tasks must
become part of your IT world:
vigilance and cultural change. It's
a new world of IT, one that evolves
constantly, and security will ensure your business survives for the
longer term.
IBMSYSTEMSMAG.COM AUGUST 2019 | 15


http://www.IBMSYSTEMSMAG.COM

IBM Systems magazine, Power Systems - August 2019

Table of Contents for the Digital Edition of IBM Systems magazine, Power Systems - August 2019

Table of Contents
From the Editor: Secure by design
IBM Perspective: Prepare for future security threats
Currents: The real-world implications of IBM Project Debater extend beyond debate
Currents: On the web
Currents: Solutions
Currents: A virtual celebration
Currents: Lattice cryptography will secure data in the post-quantum era
Partner POV: Vigilance and culture change are essential to comprehensively securing IBM i
Cover Story: Protecting the Stack: IBM Cognitive Systems continue to enhance overall security
Feature 1: A Cloud Force Field: Power Systems security features evolve to stay ahead of new threats
Tech Showcase: How to recruit developers who can easily learn modern RPG- and help modernize the rest of the IT shop
Techbits: Simplify security and compliance management with PowerSC
Techbits: Ask the expert: An anti-virus solution for AIX?
Snapshot: Giorgio Caponera
Reference Point - Global Events, Education, Resources for Power Systems
2019 Power Systems Solution Edition Index
IBM Systems magazine, Power Systems - August 2019 - Intro
IBM Systems magazine, Power Systems - August 2019 - Cover1
IBM Systems magazine, Power Systems - August 2019 - Cover2
IBM Systems magazine, Power Systems - August 2019 - 1
IBM Systems magazine, Power Systems - August 2019 - 2
IBM Systems magazine, Power Systems - August 2019 - Table of Contents
IBM Systems magazine, Power Systems - August 2019 - From the Editor: Secure by design
IBM Systems magazine, Power Systems - August 2019 - IBM Perspective: Prepare for future security threats
IBM Systems magazine, Power Systems - August 2019 - Currents: The real-world implications of IBM Project Debater extend beyond debate
IBM Systems magazine, Power Systems - August 2019 - CT1
IBM Systems magazine, Power Systems - August 2019 - CT2
IBM Systems magazine, Power Systems - August 2019 - Currents: On the web
IBM Systems magazine, Power Systems - August 2019 - Currents: Solutions
IBM Systems magazine, Power Systems - August 2019 - Currents: A virtual celebration
IBM Systems magazine, Power Systems - August 2019 - Currents: Lattice cryptography will secure data in the post-quantum era
IBM Systems magazine, Power Systems - August 2019 - 11
IBM Systems magazine, Power Systems - August 2019 - 12
IBM Systems magazine, Power Systems - August 2019 - 13
IBM Systems magazine, Power Systems - August 2019 - Partner POV: Vigilance and culture change are essential to comprehensively securing IBM i
IBM Systems magazine, Power Systems - August 2019 - 15
IBM Systems magazine, Power Systems - August 2019 - Cover Story: Protecting the Stack: IBM Cognitive Systems continue to enhance overall security
IBM Systems magazine, Power Systems - August 2019 - 17
IBM Systems magazine, Power Systems - August 2019 - 18
IBM Systems magazine, Power Systems - August 2019 - 19
IBM Systems magazine, Power Systems - August 2019 - Feature 1: A Cloud Force Field: Power Systems security features evolve to stay ahead of new threats
IBM Systems magazine, Power Systems - August 2019 - 21
IBM Systems magazine, Power Systems - August 2019 - 22
IBM Systems magazine, Power Systems - August 2019 - 23
IBM Systems magazine, Power Systems - August 2019 - Tech Showcase: How to recruit developers who can easily learn modern RPG- and help modernize the rest of the IT shop
IBM Systems magazine, Power Systems - August 2019 - 25
IBM Systems magazine, Power Systems - August 2019 - 26
IBM Systems magazine, Power Systems - August 2019 - 27
IBM Systems magazine, Power Systems - August 2019 - Techbits: Simplify security and compliance management with PowerSC
IBM Systems magazine, Power Systems - August 2019 - 29
IBM Systems magazine, Power Systems - August 2019 - Techbits: Ask the expert: An anti-virus solution for AIX?
IBM Systems magazine, Power Systems - August 2019 - 31
IBM Systems magazine, Power Systems - August 2019 - Snapshot: Giorgio Caponera
IBM Systems magazine, Power Systems - August 2019 - Cover3
IBM Systems magazine, Power Systems - August 2019 - Cover4
IBM Systems magazine, Power Systems - August 2019 - Reference Point - Global Events, Education, Resources for Power Systems
IBM Systems magazine, Power Systems - August 2019 - 2019 Power Systems Solution Edition Index
IBM Systems magazine, Power Systems - August 2019 - SE2
IBM Systems magazine, Power Systems - August 2019 - SE3
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