Common Sense 101 - so much to learn about CS


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Common sense is the most important element in Information Security and I am working in the IS domain! So who knows this better than me. The problem is the people (generally) and so many IS clients and professionals do not realize this simple fact.

I am prompted by this knowledge and realization gap to present Common Sense 101 - a compilation of CS resources from all over the net - hoping it makes sense to you and you benefit from it in your practice.

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Common Sense 101 - so much to learn about CS

  1. 1. Common Sense 101 Collated by Dinesh O Bareja
  2. 2. Welcome to Common Sense 101 • I needed some references for a presentation and blindly went begging the search engines… • Got gazillion responses and life was more miserable • Realized I wasn’t using my common sense (which I have in abundance)! • It worked  How THIS CAME ABOUT
  3. 3. Welcome to Common Sense 101 • Now that I had time on hand I searched “common sense” and got some great and hilarious stuff • So I just collated some of the findings to share with the world • My comments are as Guru Mantras • IAC.. Enjoy and keep this file as a ready reference Why THIS CAME ABOUT
  4. 4. So Now That You know the Why and How … jump on this hilarious ride and try to gauge if you have commonsense
  5. 5. • The common factor was that the message of common sense is so obvious and staring in your face that you overlook it (either because you are embarrassed on realizing how foolish you are or you are scraping the bottom on CS)
  6. 6. Guru Mantra • Don’t share any of your passwords with anyone (including your dog) • This means password(s) for netbanking, email, social media accounts, blogs, etc and your ATM PIN(s) Image sourced from and used through the presentation
  7. 7. Oh Voltaire was so right when he said this. You have to discover how to switch it on and use it – all of which makes it uncommon.
  8. 8. Common Sense is Uncommon This is so true when we look around us… the image on this slide is as old as mankind itself and all of us have friends, foes and relatives who have indulged themselves in this uncommon position - Dinesh
  9. 9. Oh OK So Voltaire said the same thing long before me! But he did not have PowerPoint And this is my presentation. 
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  12. 12. Is Common Sense a Concealed Weapon? Congress maybe the only place that "common sense" is considered to be a concealed weapon! ... because we certainly couldn't see any of it on display this past week! Or a WMD !
  13. 13. Haha .. No wonder we never recognize it! Who ever gave a second look at someone in work clothes. See someone in designer clothes or nattily dressed and you have a second and third, and … look at him/her – duh!
  14. 14. IQ in Relations to Common Sense The IQ test is a very good estimate of ones intellectual intelligence but what about common sense? We all know that friend or someone who is intellectually smart, but lacks that common sense. Street smarts or common sense can be defined as an action that relies on differing the good from the bad. Does intellectual intelligence have any correlation with common sense? I believe it does because to make a "smart" or right choice on a decision requires some sort of intelligence. But to what degree does intelligence play a role? ng2012/2012/04/iq-in-relations-to-common-sense.html
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  16. 16. Anyone who believes that they have common sense has simply forgotten who taught them what they know. – Alan D. Quilley CRSP
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  18. 18. Obituary For Common Sense
  19. 19. This is an Obituary for Common Sense that purportedly first appeared in the London Times – though I can find no proof that it was ever actually published there. • Today we mourn the passing of a beloved old friend, Common Sense, who has been with us for many years. No one knows for sure how old he was, since his birth records were long ago lost in bureaucratic red tape. • He will be remembered as having cultivated such valuable lessons as:-Knowing when to come in out of the rain; – Why the early bird gets the worm;- Life isn’t always fair; – And maybe it was my fault. Common Sense lived by simple, sound financial policies, don’t spend more than you can earn and adults, not children, are in charge.
  20. 20. This is an Obituary for Common Sense that purportedly first appeared in the London Times – though I can find no proof that it was ever actually published there. • His health began to deteriorate rapidly when well-intentioned but overbearing regulations were set in place. Reports of a 6-year-old boy charged with sexual harassment for kissing a classmate; teens suspended from school for using mouthwash after lunch; and a teacher fired for reprimanding an unruly student, only worsened his condition. • Common Sense lost ground when parents attacked teachers for doing the job that they themselves had failed to do in disciplining their unruly children. It declined even further when schools were required to get parental consent to administer sun lotion or an aspirin to a student; but could not inform parents when a student became pregnant and wanted to have an abortion.
  21. 21. This is an Obituary for Common Sense that purportedly first appeared in the London Times – though I can find no proof that it was ever actually published there. • Common Sense lost the will to live as the churches became businesses; and criminals received better treatment than their victims. Common Sense took a beating when you couldn’t defend yourself from a burglar in your own home and the burglar could sue you for assault. • Common Sense finally gave up the will to live, after a woman failed to realize that a steaming cup of coffee was hot. She spilled a little in her lap, and was promptly awarded a huge settlement. • Common Sense was preceded in death, by his parents, Truth and Trust, by his wife Discretion, his daughter Responsibility, and his son, Reason. He is survived by his 4 stepbrothers; I Know My Rights, I Want It Now, Someone Else Is To Blame, and I’m A Victim. Not many attended his funeral because so few realized he was gone.
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  24. 24. A Common Sense Collection of Common Sensical Sayings..
  25. 25. It is a thousand times better to have common sense without education than to have education without common sense. ~ Robert G. Ingersoll What a grand thing it is to be cleaver and have common sense. ~ Terence To see what is in front of one’s nose requires a constant struggle. ~ George Orwell Common sense ain’t common. Common sense and a sense of humor are the same thing, moving at different speeds. A sense of humor is just common sense dancing. ~ William James ~ Will Rogers Success is more a function of consistent common sense that it is of genius. ~ An Wang All truth, in the long run, is only common sense clarified. ~ Thomas Henry Huxley
  26. 26. The biggest shortage of all is the shortage of common sense. ~ Unknown Common sense is calculation applied to life. ~ Henri Frederic Ami The philosophy of one century is the common sense of the nest. ~ Henry Ward Beecher When unsure how to solve a problem, use your common sense. ~ Catherine Pulsifer Common sense and good nature will do a lot to make the pilgrimage of life not too difficult. ~ William Somerset Maugham Nowdays most people die of a sort of creeping common sense and discover when it is too late that the only things one never regrets are one’s mistakes. ~ Oscar Wilde Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has. ~ Rene Descartes
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  31. 31. Why do so many people lack common sense? • Rene Descartes said, "Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it." OK, he was being tongue-incheek, but Voltaire got right to the point: "Common sense is not so common." • But you didn't want quotes, you wanted to know why there’s not so much of it around, and I can only tell you my own experience. hy-do-so-many-people-lack-common-sense.html I've made a lot of mistakes that, with a little common sense, I could easily have avoided. Why? Sometimes I was emotionally involved, sometimes I wanted an outcome I couldn't reasonably expect, sometimes it was sheer egotism. If I ever stood before that Great White Throne we’re warned about in the Bible, and the book containing all my shortcomings was opened, I could tell you many of the accusations that would be written there—and a lot of those would show lack of common sense. It's human nature. Sure, we're rational beings, but we're emotional beings, too. And we're individuals—so sometimes we can make the mistake of behaving as though we ARE islands in a sea of other individuals. If I can end with yet another quote, John Andrew Holmes put it this way: “It is well to remember that the entire population of the universe, with one trifling exception, is composed of others.”
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  38. 38. The Common Sense Meter • Many years ago, I was taught the invaluable lesson of quantifying the subjective…. • Working hard as an Operations Manager in Tier2 outsourcer, the team I was on reported into a very interesting Regional HR Director…. A favorite quote from him was “Dan, where does that (action or decision) sit on the common sense meter?” • Often, when he asked folks this question, they were a touch stunned…. In fact we were unable to answer as we were not sure the set of units used by the fabled Common Sense Meter • Thank Goodness for Blaine Lewis, for he was able to measure the immeasurable.
  39. 39. Dictionary Definition This was to be a fun information piece so I decided to share boring stuff like quoting long text from dictionaries for the last You have already read and imbibed all that is needed to know about CS and I am sure this must have lit the CS fire in you too Oh ok – here goes!
  40. 40. Common Sense – Definition (pg 1) • Common sense is defined by Merriam-Webster as, "sound and prudent judgment based on a simple perception of the situation or facts.“ • It is believed that in most cases that simple perception is "good enough". But, simple perceptions fail to adequately capture the import of context or situation. They are poor at reflecting more than single order effects (where a leads to b). By relying on common sense, we are in effect relying on the assumption that simple perceptions are adequate for the task or
  41. 41. Common Sense – Definition (pg 2) • When simple perceptions are inadequate, then the need for tools that enable better access to “what, who, and how much” one needs to know becomes painfully obvious. Expanding upon common sense - either in the form of developing better tools for simple perceptions, better methods for simplifying complex perceptions, or better approaches for making judgments based on these simple perceptions just will not help in that portion of the world where "success" lies in developing an understanding of boundaries, constraints, and possibilities inherent in the interactions of large numbers of autonomous and semi-autonomous agents. • Many attempts have been made over the years to refine the notion of common sense -- nearly all have run into the same obstacle: simple perceptions are oft times inadequate to capture what we need to know about a given situation or context in which we find ourselves • Thus the need to expand our repertoire beyond common sense.
  42. 42. • Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.
  43. 43. • The best prophet is common sense, our native wit. ~ Euripides • The last time anybody made a list of the top hundred character attributes of New Yorkers, common sense snuck in at number 79. ~ Douglas Adams • Common sense is the knack of seeing things as they are and doing things as they ought to be done. ~ Harriet Beecher Stowe • Common sense in an uncommon degree is what the world calls wisdom. ~ Samuel Taylor Coleridge • Common sense is nature’s gift, but reason is an art. ~ James Beattie • If common sense has not the brilliancy of the sun, it has the fixity of the stars. ~Fernan Caballero • Faith is believing in things when common sense tells you not to. ~ George Seaton
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  47. 47. • Professional Positions • • • • • • • E @bizsprite Pyramid Cyber Security & Forensics (Principal Advisor) Jharkhand Police (Cyber Surveillance Advisor) L: Open Security Alliance (CEO) +91.9769890505 IndiaWatch dineshobareja Bombay Stock Exchange (IGRC Technical Member) dineshobareja Indian Honeynet Project (Founder) Cyber Peace Foundation (Co-Founder) • Professional skills and special interest areas • Govt & Enterprise - Security Consulting, Advisory, Strategy, Architecture, Analysis, Policy Development, Optimization • Technologies - SOC, DLP, IRM, SIEM… • Practices - Incident Response, SAM, Forensics, Regulatory guidance, Government • Blogger, Occasional columnist, wannabe photographer, researcher.
  48. 48. Yessir… in this age and day even inanimate objects have common sense <LOL>