botnet

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The Dirty Dozen Spampionship: Who's who in the global spam-sending league?

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It's once again time for our quarterly Spampionship charts.

We looked at the sending countries for all our spam in the first three months of 2014, and turned the figures into a League Table - the sort of league you *don't* want to win!

Where have all the Bitcoins gone?

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The Bitcoin infrastructure isn't perfect - for example, it has a cryptographic problem known euphemistically as "transaction malleability."

But can this alone explain missing Bitcoins to the tune of $500,000,000?

Notorious "Gameover" malware gets itself a kernel-mode rootkit...

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The Gameover botnet gang has been trying new techniques lately: most recently comes the introduction of a kernel-mode rootkit called Necurs, making the malware harder to find and remove.

Senior Researcher James Wyke of SophosLabs investigates...

The Spampionship, the PWN2OWN unicorn, and how Target was breached - 60 Sec Security [VIDEO]

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Where do you find Extreme Spammers? Can you find the exploit unicorn? And how did Target get breached?

Find out in 60 Sec Security for 08 Feb 2014...

Move over, Superbowl - here come the latest "Dirty Dozen" SPAMPIONSHIP tables!

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Unlike conventional sporting events such as the Superbowl, the Six Nations or the Bundesliga, the SPAMPIONSHIP is one title that no team wants to win.

Find out who finished where...

SSCC 130 - Botnets, banking, breaches, patching and the Mavericks controversy [PODCAST]

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What's the best way to deal with botnets? Should you use your bank's mobile app? Why all these data breaches? What about Patch Tuesday? Do you really *have* to update your Mac to Mavericks?

Listen as Chet and Duck dissect and explore the week's security stories...

Target admits "there was malware on our point-of-sale registers"

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The Target data breach story has turned into a bit of a bus: it's big, has lots of momentum, and three just came along at once.

First: 40M payment card details stolen. Second: 70M names, addresses and the like stolen. Third: looks like there was a specialised botnet involved.

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...

Have we seen the end of the ZeroAccess botnet?

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Since Microsoft took positive action against the ZeroAccess botnet at the beginning of December, SophosLabs has been paying close attention to see if the owners would attempt to revitalise the botnet and return it to profitability.

James Wyke looks into what happened...

Microsoft and partners fight back against the ZeroAccess botnet

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Microsoft, in conjunction with Europol and the FBI, has successfully taken down the click fraud servers used by ZeroAccess, disrupting one of the world's largest and most resilient botnets.

Million-dollar fine for sneaky Bitcoin botnet builders

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New Jersey has slapped a million-dollar fine on an on-line gaming company that sneakily used its own anti-cheating software to mine Bitcoins on its customers' computers.

The company is paying under protest, claiming a "deep misunderstanding of the nature of our business."

LG TVs grab data, GitHub attacked, vBulletin breached - 60 Sec Security [VIDEO]

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How honest is your TV? Why do crooks like source code hacks? Should you brag when you publish a breach notification?

Find out now in 60 Second Security.

CryptoLocker urgent alert - here's how YOU can help!

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The UK's National Crime Agency has put out a CryptoLocker ransomware alert - the malware is still a huge problem, even after weeks of high profile coverage.

Here's what YOU can do to help prevent it...

CryptoLocker ransomware - see how it works, learn about prevention, cleanup and recovery

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This article explains how the CryptoLocker ransomware works, including a short video showing you what it does.

The article tells you about prevention, cleanup, and recovery, and explains how to improve your security against this sort of threat in future.

Dirty Dozen spam sending nations - find where you finished in our Q3 SPAMPIONSHIP chart

Another calendar quarter is behind us, so it is once again time to wade into our spam traps and work out the latest SPAMPIONSHIP standings.

That's where we look at the sources of spam in order to calculate the Dirty Dozen spam sending countries.

Cybersecurity Awareness Month: 10th anniversary, 10 topical tales

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October 2013 marks the 10th anniversary of the USA's annual Cybersecurity Awareness Month (CSAM).

So we thought we'd come up with 10 topics, in vaguely chronological order, that have burst into our collective security concerns at various times in the last decade.

Police nab Argentinian teen who hacked money transfer and gambling websites

Police nab Argentinian teen hacker who netted $50,000/month

Argentinian police have arrested a teenager, dubbed "the superhacker", who was allegedly bleeding $50,000 (£31,500) per month out of international money transfer and gambling websites.

The Dirty Dozen spamming countries - introducing the SophosLabs SPAMMIERSHIP League Tables!

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Once every three months, we tot up our country-by-country spamtrap statistics for the previous quarter and calculate the Dirty Dozen.

Of course, this is one "competition" in which getting promoted into the Premier Division - the SPAMMIERSHIP - is a cause for disappointment, not jubilation...

Was Microsoft's takedown of Citadel effective?

Was Microsoft's takedown of Citadel effective?

Last week, Microsoft took aim at more than 1,400 Citadel botnets by sinkholing their command and control infrastructure.

What was the actual effect of this takedown? SophosLabs takes a look...

Botnet smackdown, Oracle on Java, Passwords you can eat - 60 Sec Security [VIDEO]

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Here's our latest 60 Second Security video.

From botnet takedowns to authentication tokens you swallow...here's the latest security news in a easily digestible format!