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Communications of the ACM

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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


Bitcoin and Ethereum Have a Hidden Power Structure, and It's Just Been Revealed
From ACM News

Bitcoin and Ethereum Have a Hidden Power Structure, and It's Just Been Revealed

In cryptocurrency circles, calling something "centralized" is an insult.

Intel Halts Some Chip Patches as the Fixes Cause Problems
From ACM News

Intel Halts Some Chip Patches as the Fixes Cause Problems

The chipmaker's updates were meant to fix the Meltdown and Spectre design flaws, but have been causing computers to unexpectedly reboot.

Guarding Against the Possible Spectre in Every Machine
From ACM TechNews

Guarding Against the Possible Spectre in Every Machine

The recent disclosure of the Spectre and Meltdown chip vulnerabilities is symptomatic of most technology firms following poor supply-chain precautions, says one...

New Defenses Sought Against GPS Spoofing Attacks
From ACM TechNews

New Defenses Sought Against GPS Spoofing Attacks

Researchers have received $1 million from the U.S. National Science Foundation to fortify computers and devices against cyberattacks associated with timekeeping...

Meet Antifa's Secret Weapon Against Far-Right Extremists
From ACM TechNews

Meet Antifa's Secret Weapon Against Far-Right Extremists

Computer science professor Megan Squire  has created an array of programs that monitor approximately 400,000 accounts of white nationalists on Facebook and elsewhere...

Quantum Technology Forgoes Unconditional Security to Extend its Reach
From Communications of the ACM

Quantum Technology Forgoes Unconditional Security to Extend its Reach

Two projects in China demonstrate the possibility of global quantum key distribution networks.

The War Over the Value of Personal Data
From Communications of the ACM

The War Over the Value of Personal Data

In a world increasingly dependent on turning personal data into profits, it is unclear how much that data is actually worth.

Facebook Says Social Media Isn't Always Healthy for Democracy
From ACM News

Facebook Says Social Media Isn't Always Healthy for Democracy


China's Quantum-Key Network, the Largest Ever, Is Officially Online
From ACM News

China's Quantum-Key Network, the Largest Ever, Is Officially Online

China has the quantum technology to perfectly encrypt useful signals over distances far vaster than anyone has ever accomplished, spanning Europe and Asia, according...

Security Fears Spark Crackdown on Chinese Tech
From ACM News

Security Fears Spark Crackdown on Chinese Tech

The federal government is taking steps to reduce the presence of some Chinese technology firms in American markets.

A New Way to Track Down Bugs Could Help Save IoT
From ACM News

A New Way to Track Down Bugs Could Help Save IoT

On a clear day this summer, security researcher Ang Cui boarded a boat headed to a government biosafety facility off the northeastern tip of Long Island.

UC Riverside Research Will Help Protect Military Software From Hackers
From ACM TechNews

UC Riverside Research Will Help Protect Military Software From Hackers

Researchers at the University of California, Riverside say they are trying to protect important but outdated computers and software still in use by securing legacy...

Why is it Difficult for the FBI to Break Into Smartphones?
From ACM News

Why is it Difficult for the FBI to Break Into Smartphones?

Turing Laureate Whitfield Diffie explains why the U.S. Federal Bureau of Investigation is unable to break the encryption on your smartphone.

How a 22-Year-Old Discovered the Worst Chip Flaws in History
From ACM Careers

How a 22-Year-Old Discovered the Worst Chip Flaws in History

In 2013, a teenager named Jann Horn attended a reception in Berlin hosted by Chancellor Angela Merkel. He and 64 other young Germans had done well in a government...

In ‘Listening In,’ a Surveillance Expert Warns That No Secret Is Safe
From ACM News

In ‘Listening In,’ a Surveillance Expert Warns That No Secret Is Safe

Smartphones, smart cars, smart fridges: all are connected to the Web, and hackers and governments alike are all too eager to peer inside.  

Big Brother on Wheels: Why Your Car Company May Know More about You than Your Spouse. 
From ACM News

Big Brother on Wheels: Why Your Car Company May Know More about You than Your Spouse. 

Daniel Dunn was about to sign a lease for a Honda Fit last year when a detail buried in the lengthy agreement caught his eye.

BBVA Foundation Recognizes Goldwasser, Micali, Rivest, Shamir, For Enabling a Secure Digital Society
From ACM News

BBVA Foundation Recognizes Goldwasser, Micali, Rivest, Shamir, For Enabling a Secure Digital Society

The BBVA Foundation Frontiers of Knowledge Award in the Information and Communication Technologies category goes  to Shafi Goldwasser, Silvio Micali, Ronald Rivest...

Can We Make a Hack-Proof Internet with Quantum Physics?
From ACM News

Can We Make a Hack-Proof Internet with Quantum Physics?

Is it possible to build a network that's impossible to hack? Quantum physicists believe it might.

"When Performance is Pursued Above All"
From ACM News

"When Performance is Pursued Above All"

Long-overlooked CPU vulnerabilities have come to light.

Meltdown and Spectre Expose the Dark Side of Superfast Computers
From ACM Opinion

Meltdown and Spectre Expose the Dark Side of Superfast Computers

Hundreds of gadget makers and software companies at this week's annual Consumer Electronics Show (CES) in Las Vegas are staking the success of their newest products...
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