Security Training Classes in Chattanooga, Tennessee
Learn Security in Chattanooga, Tennessee and surrounding areas via our hands-on, expert led courses. All of our classes either are offered on an onsite, online or public instructor led basis. Here is a list of our current Security related training offerings in Chattanooga, Tennessee: Security Training
Security Training Catalog
AWS Classes
JUnit, TDD, CPTC, Web Penetration Classes
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- Introduction to Spring 6, Spring Boot 3, and Spring REST 
15 December, 2025 - 19 December, 2025 - RED HAT ENTERPRISE LINUX SYSTEMS ADMIN II 
8 December, 2025 - 11 December, 2025 - Python for Scientists 
8 December, 2025 - 12 December, 2025 - ASP.NET Core MVC (VS2022) 
24 November, 2025 - 25 November, 2025 - RHCSA EXAM PREP 
17 November, 2025 - 21 November, 2025 - See our complete public course listing 
 
Blog Entries publications that: entertain, make you think, offer insight
	Here is a list of the organizations that use Python. This list is periodically updated by HSG’s software fans as well as the community at large.
	 
Web Development
	1.       Yahoo Maps
	Yahoo acquired Four11, whose address and mapping lookup services were implemented in Python. Yahoo Maps still uses Python today, as can be seen by examining its URLs.
	 
	2.       Yahoo Groups
	A comprehensive public archive of Internet mailing lists that was originally implemented in pure Python. At one point Scott Hassan, one of the founders of Findmail/eGroups (the company that was later acquired by Yahoo), reported that they had 180,000 lines of Python underlying everything from their 100% dynamic website to all email delivery, pumping out 200 messages/second on a single 400 MHz Pentium.
For those newly moving into the realm of programming, the important question to mull over is what programming language or technology to specialize in. On the other hand, those who are already working as a software developer, the constant worry remains whether their current technology would become obsolete very soon.
Both these concerns could be easily addressed by checking the list of programming languages that are highly in demand and formulating the career by modifying your specialization accordingly. The supply for the developers have not met with the demand in these programming languages yet, making them most viable options for career.
Popular Programming Languages Based on TIOBE Index
The top 10 list of programming languages which are highly in demand in 2014 is listed below in the order of popularity. These languages are identified from the TIOBE Programming Community index which consists of 20 top programming languages. TIOBE index is an indicator of the popularity of programming languages and is updated once in every month. This index is calculated using multiple search engines, and the ratings are based on the number of skilled engineers world-wide, courses and third party vendors.
Welcome to the career field of Business Intelligence. Business Intelligence is a concept that involves a certain level of interaction within an organism, analytically and dynamically, to come to business solutions which implement better, more effective and timely decision making. These solutions are reached by establishing an understanding of the right kinds of user data: what is going well, what is going wrong, taking and monitoring certain actions, previously unknown trends, and patterns, and improved collaboration. When all of this data is taken into account, the entire decision-making process, within a business, will inevitably improve. As an Oracle BI developer, there are specific skills which will drastically make your job easier and results more effective. As time goes on and technology changes, the list is constantly being updated. The following are skills an Oracle Business Intelligence Developer might need to know or learn in 2019.
Communication
	Checking to see if a directory exists and then creating it if it is not present requires a few lines of code.  Isn't Python great. 
  Begin by importing the os module and use the exists and makedirs functions.
import os
if os.path.exists(somedirectory):
   os.makedirs(somedirectory)
Tech Life in Tennessee
| Company Name | City | Industry | Secondary Industry | 
|---|---|---|---|
| First Horizon National Corporation | Memphis | Financial Services | Lending and Mortgage | 
| Vanguard Health Systems, Inc. | Nashville | Healthcare, Pharmaceuticals and Biotech | Hospitals | 
| The ServiceMaster Company | Memphis | Consumer Services | Consumer Services Other | 
| Eastman Chemical Company | Kingsport | Manufacturing | Chemicals and Petrochemicals | 
| Brookdale Senior Living, Inc. | Brentwood | Healthcare, Pharmaceuticals and Biotech | Residential and Long-Term Care Facilities | 
| Scripps Networks Interactive | Knoxville | Media and Entertainment | Radio and Television Broadcasting | 
| Dollar General Corporation | Goodlettsville | Retail | Retail Other | 
| IASIS Healthcare Corporation | Franklin | Healthcare, Pharmaceuticals and Biotech | Hospitals | 
| Thomas and Betts Corporation | Memphis | Energy and Utilities | Gas and Electric Utilities | 
| Tractor Supply Company, Inc. | Brentwood | Retail | Clothing and Shoes Stores | 
| TeamHealth, Inc. | Knoxville | Healthcare, Pharmaceuticals and Biotech | Doctors and Health Care Practitioners | 
| UNIVERSITY HEALTH SYSTEM, INC. | Knoxville | Healthcare, Pharmaceuticals and Biotech | Hospitals | 
| Corrections Corporation of America | Nashville | Business Services | Security Services | 
| AutoZone, Inc. | Memphis | Retail | Automobile Parts Stores | 
| Mueller Industries, Inc. | Memphis | Manufacturing | Metals Manufacturing | 
| UNUM Group | Chattanooga | Financial Services | Insurance and Risk Management | 
| Fred's, Inc. | Memphis | Retail | Grocery and Specialty Food Stores | 
| International Paper Company | Memphis | Manufacturing | Paper and Paper Products | 
| Regal Entertainment Group | Knoxville | Media and Entertainment | Motion Picture and Recording Producers | 
| Genesco Inc. | Nashville | Wholesale and Distribution | Apparel Wholesalers | 
| Cracker Barrel Old Country Store, Inc. | Lebanon | Retail | Restaurants and Bars | 
| Lifepoint Hospitals Inc. | Brentwood | Healthcare, Pharmaceuticals and Biotech | Hospitals | 
| FedEx Corporation | Memphis | Transportation and Storage | Postal, Express Delivery, and Couriers | 
| Community Health Systems | Franklin | Healthcare, Pharmaceuticals and Biotech | Hospitals | 
| HCA Holdings, Inc. | Nashville | Healthcare, Pharmaceuticals and Biotech | Hospitals | 
| HealthSpring Inc. | Franklin | Healthcare, Pharmaceuticals and Biotech | Healthcare, Pharmaceuticals, and Biotech Other | 
training details locations, tags and why hsg
The Hartmann Software Group understands these issues and addresses them and others during any training engagement. Although no IT educational institution can guarantee career or application development success, HSG can get you closer to your goals at a far faster rate than self paced learning and, arguably, than the competition. Here are the reasons why we are so successful at teaching:
- Learn from the experts.  
                                
- We have provided software development and other IT related training to many major corporations in Tennessee since 2002.
 - Our educators have years of consulting and training experience; moreover, we require each trainer to have cross-discipline expertise i.e. be Java and .NET experts so that you get a broad understanding of how industry wide experts work and think.
 
 - Discover tips and tricks about Security programming
 - Get your questions answered by easy to follow, organized Security experts
 - Get up to speed with vital Security programming tools
 - Save on travel expenses by learning right from your desk or home office. Enroll in an online instructor led class. Nearly all of our classes are offered in this way.
 - Prepare to hit the ground running for a new job or a new position
 - See the big picture and have the instructor fill in the gaps
 - We teach with sophisticated learning tools and provide excellent supporting course material
 - Books and course material are provided in advance
 - Get a book of your choice from the HSG Store as a gift from us when you register for a class
 - Gain a lot of practical skills in a short amount of time
 - We teach what we know…software
 - We care…
 














