Denial of Service

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Sophos Techknow - Firewalls Demystified [PODCAST]

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The word firewall has a lot more shades of meaning in 2014 than it did in 1994.

So...who better to help us to demystify the modern firewall than Sophos security expert Chester Wisniewski?

Tor Project is NOT getting sued for enabling revenge porn site PinkMeth

Tor Project is NOT getting sued for enabling revenge porn site PinkMeth

A Texas revenge-porn victim is suing the operators of revenge-porn site PinkMeth.com and was (until her lawyer figured out just what, exactly, the anonymising service Tor actually is) suing The Tor Project for helping PinkMeth to operate anonymously.

FCC DoSed into silence as John Oliver roused net neutrality trolls

Silence. Image courtesy of Shutterstock.

Within hours of the comedian's brilliant, 13-minute rant, the FCC's comment section was crushed by a database DoS attack. The DoS rendered the site incapable of accepting any public comment at all, be it trollery or sanity.

FitzRoy, Oleg Pliss, Spotify and TrueCrypt - 60 Sec Security [VIDEO]

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Did FitzRoy get hacked? Who is Oleg Pliss? What's up with Spotify? Where has TrueCrypt gone?

60 Second Security - 31 May 2014

Apple iOS ransomware mystery deepens - "Oleg Pliss" pops up in LA

The mysterious Oleg Pliss, who popped up on iPhones in Australia earlier this week, demanding $100 "for unlock device," is back.

Now we're hearing reports from Southern California...

Anonymous takes on Boston Children's Hospital in #opJustina

Anonymous takes on case of custody battle over US girl, goes after Boston Children's Hospital

Last week, outrage over the case of Justina Pellitier rose to a head and burst into cyber warfare when people affiliating themselves with Anonymous launched #opJustina. DDoS attacks preceded the #op launch and continued throughout the week.

Google reports new shenanigans in ongoing Turkish internet blockade

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Turkey recently blocked Twitter and YouTube, as well as Google's free Public DNS servers that many people used to get around the blockade.

Now Google reports another layer of "active intervention" by Turkish ISPs...

Hootsuite suffers DoS attack, reassures users

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Social media management tool Hootsuite has recovered from a denial of service (DoS) attack which left users unable to use the system for some time yesterday.

DDoS attack takes out NATO websites, Ukraine connection claimed

DDoS attack takes out NATO websites, Ukraine connection claimed

Pro-Russian Ukrainian hacktivist group, 'Cyber Berkut', claim to be behind the attacks on the main NATO public website. NATO insisted there was "no operational impact", but further cyber incidents are likely to emerge from the current political struggle between Russia and Ukraine.

Meetup.com DDoSed by extortionist, refuses to pay ransom

Meetup.com DDoSed by extortionist, refuse to pay ransom

The site's been under attack since Thursday. The cyber-extortionists behind it have demanded $300, but Meetup won't pay even this ridiculously small amount, for very good reasons.

10,000 euro bounty offered for Wurm Online DDoSer

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A bounty of 10,000 euros (around $13,700) has been offered in return for information that leads to the conviction of those responsible for a recent DDoS attack on MMORPG Wurm Online.

Why we need to rethink how we view security

Why we need to rethink how we view security

When we look at some of the biggest security headlines of the past year - Target data breach, Cryptolocker ransomware, Snowden/NSA leaks - there's one big lesson we can all be taught: secure everywhere.

Internet Explorer, .NET, IPv6 and Shockwave top the February 2014 Patch Tuesday list

Monster super-critical Patch Tuesday for February 2013

February's patch roundup sees seven patches from Microsoft and one from Adobe. All supported versions of Windows are impacted, be sure to update as soon as possible.

TDoS extortionists jam phone lines of public services, including hospitals

TDoS extortionists jam phone lines of public services, including hospitals

The scammers are hiding behind cheap, automatic calling and internet phone services for anonymity, sending disabling waves of call volumes when their demands for money aren't satisfied.

Sophos Techknow - Understanding Botnets [PODCAST]

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Botnets, short for "robot networks", are more than just malware: they're the money making machinery of modern cybercriminals.

Paul Ducklin and James Wyke help you to understand the What, How and Why of this troublesome topic...

On tech support duty for family at Christmas? Get our free Threatsaurus...

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Are you on tech support duty for your nearest and dearest over Christmas and New Year?

Would you rather be at the snow/beach?

Let the Sophos Threatsaurus help you teach your friends and family how to stay secure...

Polish programmers jailed for 5 years for DDoS and cyber-extortion of online casino

Polish programmers jailed for 5 years for DDoS and cyber-extortion of online casino

Two online gaming programmers from Poland have been jailed for trying to cyber-extort the owner of an online marketing company based in Manchester, UK, and the CEO of an unnamed US internet software host.

Hackers throw 16 attacks at HealthCare.gov plus a DoS for good measure

Hackers throw 16 attacks at HealthCare.gov plus a DDoS for good measure

None of the attacks have been particularly damaging, and the DDoS tool, dubbed "Destroy Obama Care", was never actually triggered. Now, the government's doing pen testing, which likewise hasn't come up with any egregious holes in the site's defense.

Anonymous threatens Singapore with hacking attacks, calls for November 5 protest... perhaps

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An anonymous person, claiming to be Anonymous, recently fired off a hacking threat against Singapore's financial systems.

Should this threat be taken seriously?

NSA: No we weren't hacked, we just broke our website

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The official NSA website NSA.gov was offline for several hours on Friday, prompting immediate wild speculation that it had been taken down by a DDoS campaign.