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February 27, 2009
Today’s use case is a good one. Windows makes it very hard and resource expensive to track file deletes, but there are certain directories (like in our case, our price and sales quote folders), where files should not be deleted from. Making use of Object Access Auditing and a good log analysis solution you can pull a lot of valuable information from the logs that indicate unwarranted file deletions.
– By Ananth
February 25, 2009
The Merriam Webster dictionary defines a log as “a record of performance, events, or day-to-day activities”. Though we think of logs in the IT context, over the years many famous logs have been written. Here are some of my favorites:
Dr Watson who logged the cases of Sherlock Holmes
The Journals of Lewis and Clark, one of the greatest voyages of discovery in human history.
The Motorcycle Diaries: Notes on a Latin American Journey
Fictional Prof. Pierre Arronax chronicled the fantastic travels of Capt. Nemo in Jules Vernes’ 20,000 Leagues Under the Sea
Diary of a Young Girl by Anne Frank, a vivid, insightful journal and one of the most moving and eloquent documents of the Holocaust.
Personal logs from captains of the Enterprise (Kirk, Picard, Janeway).
Samuel Pepys, the renowned 17th century diarist who lived in London, England.
The record by Charles Darwin, of his trip on the HMS Beagle
Bridget Jones Diary by Helen Fielding
February 23, 2009
Today is another Solaris BSM example. The Basic Security Module of Solaris audits all system boots, and it is good practice to have checks in place to ensure that these critical systems are only being restarted at the correct times. Any unexpected activity is something that should be investigated.
– By Ananth
February 20, 2009
Today’s look at logs illustrates a typical use case of using logs to review for unexpected behavior. Within Active Directory you have users and groups that are created, deleted and modified. It is always a good idea to go in and review the activities of your domain admins just to be sure that it matches what you feel should be occurring. If it differs it is something to investigate further.
February 19, 2009
Today we look at something a little different – reviewing admin activity for unlocking accounts. Sometimes a lockout occurs simply because a user has fat fingers, but often accounts are locked on purpose and unlocking one of these should be reviewed to see why
February 17, 2009
The Solaris operating systems has some interesting daemons that warrant paying attention to. Today’s log use case examines monitoring processes like sendmail, auditd and sadm to name a few.
February 14, 2009
How LM / SIEM plays a critical role in the integrated system of internal controls Many public companies are still grappling with the demands of complying with the Sarbanes-Oxley Act of 2002 (SOX). SOX Section 404 dictates that audit functions are ultimately responsible for ensuring that financial data is accurate. One key aspect of proof is the absolute verification that sufficient control has been exercised over the corporate network where financial transactions are processed and records are held.
February 13, 2009
I recorded this Wednesday — the day after patch Tuesday, so fittingly, we are going to look at using logs to monitor Windows Updates. Not being up to date on the latest patches leaves security holes but with so many machines and so many patches it is often difficult to keep up with them all. Using logs helps.
February 12, 2009
Today is a depressing log discussion but certainly a sign of the times. When companies are going through reductions in force, IT is called upon to ensure that the company’s Ip is protected. This means that personnel no longer with the company should no longer have access to corporate assets. Today we look at using logs to monitor if there is any improper access.
February 11, 2009
Until now, we have been looking mostly at system, network and security logs. Today, we shift gear and look at database logs, more specifically user access logs in SQL Server.
February 10, 2009
Today, we stay on the subject of Firewalls and Cisco PIX devices in particular. We’ll look at using logs to analyze trends in your firewall activity to quickly spot anomalies.
February 09, 2009
Today’s and tomorrow’s posts look at your firewall. There should be few changes to your firewall and even fewer people making those changes. Changing firewall permissions is likely the easiest way to open up the most glaring security hole in your enterprise. It pays to closely monitor who makes changes and what the changes are, and today we’ll show you how to do that.
February 06, 2009
I often get the feeling that one of these days I am going to fall victim to disk failure. Sure, most times it is backed up, but what a pain. And it always seems as though the backup was done right before you made those modifications yesterday. Monitoring bad disk blocks on devices are an easy way to get an indication that you have a potential problem. Today’s use case looks at this activity.
February 04, 2009
Today we are going to look at a good security use case for logs -reviewing failed attempts to access to shares. Sometimes an attempt to access directories or shares are simply clumsy typing, but often it is an attempt by internal users or hackers to snoop in places they have no need to be.
February 03, 2009
Email has become one of the most important communication methods for businesses — for better or worse! Today we look at using logs from an ISP mail service to get a quick idea of overall trends and availability. Hope you enjoy it.
February 02, 2009
Today’s tip looks at using logs for monitoring disk usage and trends. Many windows programs (like SQL Server, for example) count on certain amounts of free space to operate correctly, and in general when a Windows machine runs out of disk space it often handles the condition in a less than elegant manner. In this example we will see how reporting on the free disk and trends gives a quick and easy early warning system to keep you out of trouble.
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