George Wahome discusses how VoIP security is often neglected, leaving systems vulnerable to attack. He provides examples of companies that have experienced losses of millions of dollars due to VoIP hacks that went undetected for weeks or months. Following a "rule of thumb" that anything connected to the internet can be hacked if security is not prioritized, he explains common motivations and types of attacks, such as toll fraud, traffic generation to premium numbers, and eavesdropping. Wahome then demonstrates vulnerabilities like credentials cracking and call manipulation on a sample VoIP system. He concludes by recommending the use of TLS, SRTP, server hardening, perimeter security, and unique user pins for login IDs and voic
The document discusses a reading activity about ways for smokers to quit. It provides a short passage stating that smoking is bad and causes health issues, and many people want to quit. It then asks students to work in groups to determine whether several statements about smoking and quitting methods are true, false, or not mentioned in the passage. Some statements are about the health effects of smoking and a new method using acupuncture to help people quit. The activity then asks students to take on different perspectives and discuss their opinions on the story.
This document discusses beliefs and superstitions in Eastern and Western cultures. It provides examples of common superstitions such as dreams about snakes meaning you will meet your soulmate, and Friday the 13th being considered an unlucky day. Black cats are seen as good or bad luck depending on culture - in Britain and Japan they are seen as good, but in parts of Europe and the US they are seen as bad. The document also discusses classroom activities for students to learn about these beliefs, including matching pictures to passages about lucky/unlucky numbers and black cats, and a speed reading game in pairs to test comprehension.
George Wahome discusses how VoIP security is often neglected, leaving systems vulnerable to attack. He provides examples of companies that have experienced losses of millions of dollars due to VoIP hacks that went undetected for weeks or months. Following a "rule of thumb" that anything connected to the internet can be hacked if security is not prioritized, he explains common motivations and types of attacks, such as toll fraud, traffic generation to premium numbers, and eavesdropping. Wahome then demonstrates vulnerabilities like credentials cracking and call manipulation on a sample VoIP system. He concludes by recommending the use of TLS, SRTP, server hardening, perimeter security, and unique user pins for login IDs and voic
The document discusses a reading activity about ways for smokers to quit. It provides a short passage stating that smoking is bad and causes health issues, and many people want to quit. It then asks students to work in groups to determine whether several statements about smoking and quitting methods are true, false, or not mentioned in the passage. Some statements are about the health effects of smoking and a new method using acupuncture to help people quit. The activity then asks students to take on different perspectives and discuss their opinions on the story.
This document discusses beliefs and superstitions in Eastern and Western cultures. It provides examples of common superstitions such as dreams about snakes meaning you will meet your soulmate, and Friday the 13th being considered an unlucky day. Black cats are seen as good or bad luck depending on culture - in Britain and Japan they are seen as good, but in parts of Europe and the US they are seen as bad. The document also discusses classroom activities for students to learn about these beliefs, including matching pictures to passages about lucky/unlucky numbers and black cats, and a speed reading game in pairs to test comprehension.
This document defines the key elements of a short story, including setting, characterization, plot, conflict, climax, resolution, theme, and point of view. It explains that a short story tells about a single event, is fictional, and is between 500 to 15,000 words long with a beginning, middle, and end. It also provides definitions for each element and examples of how authors use them to engage readers.
One day a little mouse was running on a sleeping lion, waking him up. The lion tried to eat the mouse but the mouse begged for his life, saying he may be able to help the lion someday. Amused, the lion let the mouse go. Later, hunters trapped the lion in ropes. The same little mouse happened upon the lion and gnawed through the ropes, freeing the lion. The mouse said to the lion "Was I not right?" showing how even a small creature can help a big one.
The Boy and The Apple Tree...A Touching StoryOH TEIK BIN
A Power Point Presentation of a touching story based on material received by email through a friend ... the pics with the Chinese and English graphic texts. Please download for the background music and some animated graphics.
This document defines the key elements of a short story, including setting, characterization, plot, conflict, climax, resolution, theme, and point of view. It explains that a short story tells about a single event, is fictional, and is between 500 to 15,000 words long with a beginning, middle, and end. It also provides definitions for each element and examples of how authors use them to engage readers.
One day a little mouse was running on a sleeping lion, waking him up. The lion tried to eat the mouse but the mouse begged for his life, saying he may be able to help the lion someday. Amused, the lion let the mouse go. Later, hunters trapped the lion in ropes. The same little mouse happened upon the lion and gnawed through the ropes, freeing the lion. The mouse said to the lion "Was I not right?" showing how even a small creature can help a big one.
The Boy and The Apple Tree...A Touching StoryOH TEIK BIN
A Power Point Presentation of a touching story based on material received by email through a friend ... the pics with the Chinese and English graphic texts. Please download for the background music and some animated graphics.