A screenplay writer, scriptwriter or scenarist is a writer who practices the craft of screenwriting, writing screenplays on which mass media, such as films, television programs and video games, are based. Screenwriting is a freelance profession. No education is required to become a professional screenwriter, just good storytelling abilities and imagination. Screenwriters contracted freelancers. Most, if not all, screenwriters start their careers writing on speculation and so write without being hired or paid for it. If such a script is sold, it is called a spec script. What separates a professional screenwriter from an amateur screenwriter is that professional screenwriters are represented by a talent agency. Professional screenwriters do not work for free, but amateur screenwriters will work for free and are considered "writers in training." Spec scripts are penned by unknown professional screenwriters and amateur screenwriters. There are a legion of would-be screenwriters who attempt to enter the film industry, but it takes years of trial-and-error and gritty persistence to achieve success.

In Writing Screenplays that Sell, Michael Hague writes, "Screenplays have become, for the last half of century, what the Great American Novel was for the first half. Closet writers who used to dream of the glory of getting into print now dream of seeing their story on the big or small screen." Every screenplay and teleplay begins with a thought or idea, screenwriters use their ideas to write scripts, with the intention of selling them and having them produced. In some cases, the script is based on an existing property, such as a book or person's life story, adapted by the screenwriter; the majority of the time, a film project gets initiated by a screenwriter. The initiator of the project gets the exclusive writing assignment, they are referred to as "pitched" assignments. Screenwriters who pitch new projects, whether original or an adaptation do not have to worry about competing for assignments and are more successful; when word is put out about a project a film studio, production company, or producer wants done, they are referred to as "open" assignments.

Open assignments are more competitive. If screenwriters are competing for an open assignment, more-established writers win the assignments. A screenwriter can be approached and offered a writing assignment. Many screenwriters work as full or part-time script doctors, attempting to better a script to suit the desires of a director or studio. For instance, studio management may have a complaint that the motivations of the characters are unclear or that the dialogue is weak. Script-doctoring can be quite lucrative for the better-known writers. David Mamet and John Sayles, for instance, fund the movies that they direct themselves from their own screenplays, by writing and doctoring scripts for others. In fact, some writers make profitable careers out of being the ninth or tenth writer to work on a piece, they work on projects that never see exposure to an audience of any size. Many up-and-coming screenwriters ghostwrite projects and allow more-established screenwriters to take public credit for the project to increase the chances of it getting picked up.

Hollywood has shifted writers onto and off projects since its earliest days, the assignment of credits is not always straightforward or complete, which poses a problem for film study. In his book Talking Pictures, Richard Corliss discussed the historian's dilemma: "A writer may be given screen credit for work he didn't do, or be denied credit for work he did do." After a screenwriter finishes a project, he or she pairs with an industry-based representative, such as a producer, literary agent, entertainment lawyer, or entertainment executive. The partnerships pitch their project to investors or others in a position to further a project. Once the script is sold, the writer has only the rights. A screenwriter becomes credible by having work, recognized, which gives the writer the opportunity to earn a higher income; as more films are produced independently, many up-and-coming screenwriters are turning to pitch fests, screenplay contests, independent development services to gain access to established and credible independent producers.

Many development executives are now working independently to incubate their own pet projects. Screenwriters are involved in the development of a film. Sometimes they come on as advisors; some screenwriters direct. Although many scripts are sold each year, many do not make it into production because the number of scripts that are purchased every year exceeds the number of professional directors that are working in the film and TV industry; when a screenwriter finishes a project and sells it to a film studio, production company, TV network, or producer, he or she has to continue networking with directors or executives, push to have their projects "chosen" and turned into films or TV shows. If interest in a script begins to fade, a project can go dead. Most professional screenwriters in the U. S. are represented by the Writers Guild of America. Although membership in the WGA is recommended, it is not required of a screenwriter to join; the WGA is the final arbiter on awarding writing credit for projects under its jurisdiction.

The WGA looks upon and verifies film copyright materials. Film crew First-look deal Lists of screenwriters List of screenwrit

OSSEC is a free, open-source host-based intrusion detection system. It performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, time-based alerting, active response, it provides intrusion detection for most operating systems, including Linux, OpenBSD, FreeBSD, OS X, Solaris and Windows. OSSEC has a centralized, cross-platform architecture allowing multiple systems to be monitored and managed. OSSEC has a log analysis engine, able to correlate and analyze logs from multiple devices and formats. OSSEC is compliant with Payment Card Industry Data Security Standard requirements. In June 2008, the OSSEC project and all the copyrights owned by Daniel B. Cid, the project leader, were acquired by Inc.. They promised to continue to contribute to the open source community and to extend commercial support and training to the OSSEC open source community. In May 2009, Trend Micro acquired Third Brigade and the OSSEC project, with promises to keep it open source and free. In 2018, Trend released the domain source code to the OSSEC Foundation.

The OSSEC project is maintained by Atomicorp who stewards the free and open source version and offers an enhanced commercial version. OSSEC consists of a main application, an agent, a web interface. Manager, required for distributed network or stand-alone installations. Agent, a small program installed on the systems to be monitored. Agentless mode, can be used to monitor firewalls and Unix systems. Since 2017, Atomicorp has been running the annual OSSEC Conference, where all active developers and members of the community get together to discuss OSSEC and its future; the 2019 OSSEC Con was held March 20-21st outside Washington DC. Slides and other materials from the conference are available here. Host-based intrusion detection system comparison Official website

Science Park is an elevated light rail station on the MBTA Green Line, is located at the Boston end of the Old Charles River Dam at Leverett Circle, near the intersection of Nashua Street and Charles Street. The station is located on the Lechmere Viaduct, which connects North Station to the Lechmere terminus of the Green Line; as of 2019, the station is served only by the Green Line "E" Branch, which runs from Heath Street to Lechmere. It is near the Boston Museum of Science. Science Park is not served by any scheduled MBTA Bus service; the Lechmere viaduct opened in June 1912, allowing streetcars from Somerville and Charlestown direct access to the Tremont Street Subway, the prepayment terminal at Lechmere opened in 1922. However, there was no station located on the viaduct itself until Science Park station opened on August 20, 1955; the station was closed from June 25, 2004 to February 12, 2005, while the Causeway Street Elevated was replaced by a new tunnel under TD Garden. On January 21, 2009, station signage was changed to read "Science Park/West End", though MBTA maps continued to used the shorter name.

On April 30, 2011, Science Park and Lechmere stations were closed for a complete renovation of Science Park station. The elevated platforms were rebuilt, elevators were added to make the station accessible; the platform level was raised to allow level boarding on low-floor Type 8 trams, while ramps were added to allow wheelchair boarding on older high-floor Type 7 trams. By closing the station during construction, the renovations were completed 6 months ahead of the original schedule. While both stations were closed, the MBTA operated a free shuttle bus service connecting them to North Station. Science Park station was reopened and regular service between Lechmere and North Station resumed on November 5, 2011. A footbridge crossed the west side of Leverett Circle and connected to the fare mezzanine of the station; the bridge was removed in 2005 as part of Big Dig construction, though the state promised to replace it. In 2016, MassDOT began designing a replacement bridge; as of 2019, the station is served by the Green Line "E" Branch.

However, when the Green Line Extension is completed around 2021, the "D" Branch will be extended to Medford/Tufts and begin serving Science Park in addition to the "E" Branch, which will be extended to Union Square. Completion of the extension will require 11 months of busing between North Station and Lechmere beginning in May 2020. Media related to Science Park station at Wikimedia Commons MBTA - Science Park Nashua Street and Martha Road entrances on Google Maps Street View 2009 Environmental Notification Form: Parts 1 2 3 4 5 6 7 8 9 10 11