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Posts Tagged ‘Data leakage’

Do you have a business need for DLP?

February 19th, 2010 admin 1 comment

To be able to do something before it exists,
sense before it becomes active,
and see before it sprouts.


The Book of Balance and Harmony

(Chung-ho chi).
A medieval Taoist book

Will security vendors, large to small  (Symantec, McafeenexTierANBsys and others..) succeed in restoring balance and harmony to their customers by relabeling their product suites as unified content security (Websense) or enterprise information protection (Verdasys)?

I don’t think so.

Unfortunately – data security is not an enterprise suite kind of problem like ERP. You don’t have harmony, synergy and control over business process; you have orthogonal attack vectors:

  • Human error – cc’ing a supplier by mistake on a classified RFP document
  • System vulnerabilities – Production servers with anonymous file transfer protocol (FTP) turned on
  • Criminal activity – Break-ins, bribes and double agents (workers who spy for other groups or companies)
  • Industrial competition/breach of non-disclosure agreements – the actuary who went to work for the competition

After 5 years of hype, most  customers have a high awareness of DLP products but fewer (especially outside the US) are buying DLP technologies  and even fewer are succeeding with their DLP implementations. This stems from the customer and vendors’ inability to answer two simple questions:

  1. Who is the buyer?
  2. What is her motivation to protect information?

A common question I hear from my clients, is, “Who should ‘own’ data security technology?” Is it the vice president, internal auditor, chief financial officer, CIO or CSO, our security consultants or our IT outsourcing vendor; IBM Global Services?

If there is no clear business need for information protection (the kind that a CEO can enunciate in a  sentence) – the company is not going to buy DLP technology.

The business need for data security derives directly from  the CEO and his management team. In firms with outsourced IT infrastructure, the need for data security becomes more acute as more people are involved with less allegiance to the firm.

To help qualify an organization’s business need for DLP technology, let’s examine the decision drivers, or what compels companies to buy data security products, and the decision-makers, or those who sign off on the products. Let’s look at seven industries: banking, credit card issuing, insurance, pharmaceuticals, telecommunications, health care and technology.

INDUSTRY TYPICAL DATA SECURITY DRIVERS DECISION – MAKERS
BANKING A real event, such as theft of confidential customer account information by trusted insiders

Privacy regulations such as the Gramm-Leach-Bliley Act, HIPAA

The Sarbanes-Oxley Act, for transparency and timeliness in reporting of significant events

CSO or CIO
CREDIT CARD ISSUERS Ongoing theft of customer transactional information by customer service reps

Data breach threat to credit card numbers that haven’t yet been printed on plastic cards and issued to card holders

Privacy regulations, Sarbanes-Oxley , nondisclosure agreements with business partners

The security officer or information security officer (many issuers have separate functions for physical and information security)
INSURANCE A real event, such as theft of customer lists by competitors

Fear of losing actuarial data

Exposure to data leakage of credit card numbers in online systems

General counsel, VP of internal audit, CFO
PHARMACEUTICALS Theft of chemistry, manufacturing and control information, product formulation and genome data by trusted insiders

Difficulty in preserving secrecy of sensitive intellectual property prior to patent filings

Sensitivity of company records during due diligence processes

General counsel, CFO, chief compliance officer
TELECOM/ONLINE BUSINESS
(Telecom service providers and large online operations such as Yahoo collect and aggregate huge quantities of data, and the higher up the value chain you go with data aggregation, the more valuable and vulnerable the asset.)
Prepaid code files

Pricing data

Strategic marketing plans

Call detail records (analogous to credit card transaction records, these are extrusions by customer service representatives to private investigators and difficult to detect)

Customer credit card records

VP of internal audit, VP of technologies
HEALTH CARE Privacy regulations/HIPAA

Need to protect pricing data of drugs and supplies purchased by the health care organization

CSO, VP of internal audit
TECHNOLOGY COMPANIES Theft of:

Source code

Designs, pictures and plans of proprietary equipment

Strategic marketing plans

CEO, CTO

Business unit strategy for data security

February 17th, 2010 admin Comments off

At a recent seminar on information security management, I heard that FUD (fear, uncertainty and doubt) is dead, that ROI is dead and that the insurance model is dead. Information security needs to give business value. Hmm.

This sounds like a terrific idea, but the lecturer was unable to provide a concrete example similar to purchasing justifications that companies use like: “Yes, we will buy this machine because it makes twice as many diamond rings per hour and we’ll be able corner the Valentine’s Day market in North America.”

The seminar left me with a feeling of frustration of a reality far removed from management theory. Intel co-founder Andy Grove said, “A little fear in an organization is a good thing.” So FUD apparently isn’t dead.

This post will help guide readers from a current state of reaction and acquisition to a target state of business value and justification for information security, providing both food for thought and practical ideas for implementation.

Most companies don’t run their data security operation like a business unit with a tightly focused strategy on customers, market and competitors. Most security professionals and software developers don’t have quotas and compensation for making their numbers.

Information security works on a cycle of threat, reaction and acquisition. It needs to operate continuously and proactively within a well-defined, standards-based threat model that can be benchmarked against the best players in your industry, just like companies benchmark earnings per share.

In his classic Harvard Business Review article, What Is Strategy?, Michael Porter writes how “the essence of strategy is what not to choose … a strong completive position requires clear tradeoffs and choices and a system of interlocking business activities that fit well and sustain the business.” The security of your business information also requires a strategy.

Improvement requires a well-defined strategy and performance measures, and improvement is what our customers want. With measurable improvement, we’ll be able to prove the business value of spending on security.

Ask yourself these questions:

  1. Is your information asset protection spending driven by regulation?
  2. Are Gartner white papers your main input for purchasing decisions?
  3. Does the information security group work without security win/loss scores?
  4. Does your chief security officer meet three to five vendors each day?
  5. Is your purchasing cycle for a new product longer than six months?
  6. Is your team short on head count, and not implementing new technologies?
  7. Has the chief technology officer never personally sold or installed any of the company’s products?

If you answered yes to four of the seven questions, then you definitely need a business strategy with operational metrics for your information security operation.

Read more…

How can we convince our VP that a network-based DLP makes sense?

February 17th, 2010 admin Comments off

My colleague, Michel Godet – sent me a link to an article that Mike Rothman recently wrote.

Michel  (rightly) thinks that it supports the approach that we have been pushing in Europe for over a year now, to justify data security technology investments by using Value at Risk calculations.

Mike’s article – building a business case for security is good. I agree with most of what he writes (I would have commented but searchsecurity doesn’t allow commenting on their Ask The Security Expert: Questions & Answers articles.

So – I will use my own blog to post a couple of my comments (I should probably ping Mogull on this too but I lost  his email)

1) I agree that if you can’t get past the first energy barrier of concern with information protection than you are a non-starter for DLP ( or any data security technology for that matter – it must fit the business needs – otherwise it’s like trying to sell a trombone to a violinist.  Total waste of time

However – once you get past the first road block, the business problem for security investment is:

What is your value at risk, what are the right security countermeasures and are they cost-effective.? Not – what are the vendors selling this quarter.

There is no reason in the world why data security should be any different than any other IT investment.

2) I totally disagree that looking only at a network-based DLP product is inherently limiting. Just because a few vendors like Websense and Symantec, have integrated end point and gateway products doesn’t  makes them cost-effective data security countermeasures, ensure success of the project or prevent the next data breach.

Let me submit  two counter-examples:

A) Suppose all your sensitive data is in the cloud – then maybe network DLP is a good fit

B) Suppose all your endpoints are in the cloud – then maybe endpoint DLP is a good fit

C) Suppose all your sensitive data is on notebooks – then maybe encryption is the right countermeasure to data loss.

The answer is that you have to measure stuff – measure your people, process and system vulnerabilities and where your assets are headed. After that you need to estimate your  VaR and only THEN start thinking about the people, process and technology countermeasures

BTW – I’ve been saying this for years

October 28, 2004 –  A guide to buying extrusion prevention products

March 17, 2005 - How to justify Information security spending

Now if only we could find a way to monetize being right.

How to valuate information assets

January 8th, 2010 admin 1 comment

A client recently asked:

How do I assign a dollar value to an assets?…should I use the  purchase value of the asset, replacement value or expected damage to the company if the asset were stolen or exploited?

Estimating asset value is without doubt the most frequent question we get when it comes to calculating data security risk in monetary terms. There are several practical guidelines for measuring information assets value:

  • Use the right metric – a common mistake made by marketeers who work for data security vendors is to estimate the cost of a data security breach as the number of records multiplied by some plug number.  The cost of a data security breach to a company is not the same as the cost of a customer data record breach to a customer.  A customer may not even know that her credit card number is breached (considering that 250 million credit card numbers have been stolen in the past few years – it is a reasonable assumption that your credit card number is known to someone who stole – but your cost is zero, isn’t it?
  • Ask an expert – usually the CFO. The expert can and should provide confidence intervals for his estimate. The CFO is the best source and best equipped to decide if replacement value, purchase value/depreciated or opportunity cost is the relevant metric to measure the value of an asset. It’s ok, if your CFO says that company IP is worth $50 million with a confidence level of 85%.  If you do a practical  threat modeling exercise, you will be able to test sensitivity of your threat model to the confidence boundaries.
  • Use test equipment. For example – If the cost of acquiring a customer is $50, you can write a sql query to find out how many customers you have and then multiply by $50. Looking at the Fixed assets and GL modules is an example of using test equipment.  If you have to measure the number of credit cards in clear text circulating on your network – I suggest  network surveillance.
  • Use random sampling from a population of asset value estimators. The Rule of Five says that there is a 93% chance that the median of a population is between the smallest and largest values in any random sample of the population.   So – if you have to estimate value of a digital asset like intellectual property – you can ask five people for their estimate – for example, the CFO, the CTO, a customer, your VP marketing and a software developer who worked for one of your competitors.
  • Measure in small increments and be prepared to iterate. In other words – when you do a threat model exercise, take small steps -  measure 5-10 asset values and move on from there. Most of the information value is gained at the beginning of a measurement exercise and most companies measure things that have zero information value to the business because they are easy to measure (for example – how ssh password attacks were made on company web servers) instead of the important things – like what is the value of a field service engineer diagnostic database that is distributed to notebook computers.

Data security for an SMB – Flying First Class on a budget

November 6th, 2009 admin Comments off

A talk I give recently at one of our Thursday online workshops on data security

More data security presentations from danny lieberman

Data security for SMB

October 9th, 2009 admin Comments off

Yesterday, I gave a talk at our Thursday security Webinar about data security for SMB (small to mid-sized businesses).

I’ve been thinking about DLP solutions for SMB for a couple of years now; the market didn’t seem mature or perhaps SMB customer awareness was low, but with the continued wave of data security breaches, everyone is aware.  The DLP vendors like Verdasys, Fidelis and Vontu (now Symantec) have focused traditionally on Global 1000 companies, but Infowatch is now preparing a product specifically tailored for the SMB market business requirements and pocket.  There are about 10 million SMBs in the world so this would be appear to be a fertile market for both attackers and defenders.

Read more…

It’s My Way or “La Puerta”

July 29th, 2009 admin Comments off

The role of a supervisor in protecting company data.

There is a feeling of entitlement in the Western world that enables employees to use company resources for private purposes.  If can use a pencil, you can use a phone, if you can use a phone, you can use your PC to surf the Net on a break. If you can surf the Net, you can look for a job, and if you can look for a job on company time on a company PC, then the next step is sending proprietary company files (files you consider your “own”) to a private Gmail or FTP account just before you leave the company and take that job.

Although entitlement may be a root cause of trusted insider data theft, I doubt we can change Western culture by playing a game of ain’t it  awful.

A group manager/supervisor or team leader must temper this entitlement with personal example and appropriate use of emphatic and uncompromising demands to protect company assets and prevent information leaks.

However, sometimes, an uncompromising demand to meet company data security policy can turn into intimidation. As my friend Isaac Botbol writes in his newsletter on English Communications Skills for Hispanics in the Workplace -

Although intimidation is a negative motivator, it is still a powerful motivator. It implies that there are dire consequences for not following “orders” or instructions such as: “do what I say, or else.” Many front line Hispanic employees have often heard the clear threat behind the message: “si no te gusta, allí esta la puerta” which means “if you don’t like it, there’s the door.”

Leading through intimidation may be sign of a problem between the supervisor and her manager. In many Israeli companies, there are senior managers who are retired senior officers in the Israeli Army. This may result in a management style based on giving and taking orders. The result may be a supervisor who resents her manager and an employee who doesn’t care anyway (in Hebrew it sounds a lot better -  “Zrikat Zayin”  or זריקת זין

To paraphrase my friend Isaac -

By taking a personal interest in developing the leadership skills of your front line supervisors, you’ll be on your way to creating a win-win situation for protecting company data and preventing data leakage.

Product counterfeiting in aerospace industry

July 19th, 2009 admin Comments off

This seems to be my weekend for  product counterfeiting.   I was in Tel Aviv last week on Dizengoff and picked up a couple of paperbacks at the “Book Junkie” bookstore for 5 sheqels/book (that’s about $1.25!) – one of them was Michael Crichtons’ novel Airframe (The book is genuine… and they have an amazing collection of really cheap paperbacks.)

I won’t give away the plot – (you can read the outline on Wikipedia) but it’s a good read and it underscores a point that is extremely familiar to data security / data loss prevention practitioners – namely that human error and poor training and not sophisticated technology is usually the root cause of an event. Although a number of counterfeited parts were discovered in the wing slats, it was a person, not type-certified for the aircraft, that caused the death of 4 people.

Three simple ways of preventing data loss

July 16th, 2009 admin Comments off

Speak software and carry a big stick

When I was a solid state physics grad student at Bar Ilan, I had two advisors – Prof. Nathan Aviezer and Prof. Moshe Kaveh (who is now the President of the university).     Aviezer was fond of saying that he only does simple things. I was calculating electrical conductivity of aluminum at low temperatures and due to singularities of the 2OPW approximation of the Fermi surface – it was anything but simple. Still – doing simple things is a life lesson that I’ve tried but not always suceeded in keeping.

So – how do we make data loss prevention (DLP) simple, or at least a lot simpler than it is today?

Read more…

N Digital TV data breach in Poland

June 17th, 2009 admin Comments off

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Polish digital TV broadcaster N (owned by ITI Neovision) has disclosed a breach of customer data records – after PII was discovered accidentally on the Net by a subscriber via a search engine.

The partner who manages our offices in Warsaw (the team specializes in high end data security consulting and DLP projects in Central Europe) called me this morning after hearing about the data loss event on the radio on the way to work.

The details are fairly typical for a telecommunications service provider.

Read more…