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WASHINGTON (AP) -- The Obama administration has been quietly advising local police not to disclose details about surveillance technology they are using to sweep up basic cellphone data from entire neighborhoods, The Associated Press has learned. Citing security reasons, the U.S. has intervened in routine state public records cases and criminal trials regarding use of the technology. This has resulted in police departments withholding materials or heavily censoring documents in rare instances when they disclose any about the purchase and use of such powerful surveillance equipment. Federal involvement in local open records proceedings is unusual. It comes at a time when President Barack Obama has said he welcomes a debate on government surveillance and called for more transparency about spying in the wake of disclosures about classified federal surveillance programs.

One well-known type of this surveillance equipment is known as a Stingray, an innovative way for law enforcement to track cellphones used by suspects and gather evidence. The equipment tricks cellphones into identifying some of their owners' account information, like a unique subscriber number, and transmitting data to police as if it were a phone company's tower. That allows police to obtain cellphone information without having to ask for help from service providers, such as Verizon or AT&T, and can locate a phone without the user even making a call or sending a text message. But without more details about how the technology works and under what circumstances it's used, it's unclear whether the technology might violate a person's constitutional rights or whether it's a good investment of taxpayer dollars. Interviews, court records and public-records requests show the Obama administration is asking agencies to withhold common information about the equipment, such as how the technology is used and how to turn it on. That pushback has come in the form of FBI affidavits and consultation in local criminal cases.

"These extreme secrecy efforts are in relation to very controversial, local government surveillance practices using highly invasive technology," said Nathan Freed Wessler, a staff attorney with the American Civil Liberties Union, which has fought for the release of these types of records. "If public participation means anything, people should have the facts about what the government is doing to them." Harris Corp., a key manufacturer of this equipment, built a secrecy element into its authorization agreement with the Federal Communications Commission in 2011. That authorization has an unusual requirement: that local law enforcement "coordinate with the FBI the acquisition and use of the equipment." Companies like Harris need FCC authorization in order to sell wireless equipment that could interfere with radio frequencies. A spokesman from Harris Corp. said the company will not discuss its products for the Defense Department and law enforcement agencies, although public filings showed government sales of communications systems such as the Stingray accounted for nearly one-third of its $5 billion in revenue. "As a government contractor, our solutions are regulated and their use is restricted," spokesman Jim Burke said.

The secretive British spy agency GCHQ has developed covert tools to seed the internet with false information, including the ability to manipulate the results of online polls, artificially inflate pageview counts on web sites, “amplif[y]” sanctioned messages on YouTube, and censor video content judged to be “extremist.” The capabilities, detailed in documents provided by NSA whistleblower Edward Snowden, even include an old standby for pre-adolescent prank callers everywhere: A way to connect two unsuspecting phone users together in a call.

he “tools” have been assigned boastful code names. They include invasive methods for online surveillance, as well as some of the very techniques that the U.S. and U.K. have harshly prosecuted young online activists for employing, including “distributed denial of service” attacks and “call bombing.” But they also describe previously unknown tactics for manipulating and distorting online political discourse and disseminating state propaganda, as well as the apparent ability to actively monitor Skype users in real-time—raising further questions about the extent of Microsoft’s cooperation with spy agencies or potential vulnerabilities in its Skype’s encryption. Here’s a list of how JTRIG describes its capabilities: • “Change outcome of online polls” (UNDERPASS) • “Mass delivery of email messaging to support an Information Operations campaign” (BADGER) and “mass delivery of SMS messages to support an Information Operations campaign” (WARPARTH) • “Disruption of video-based websites hosting extremist content through concerted target discovery and content removal.” (SILVERLORD)

• “Active skype capability. Provision of real time call records (SkypeOut and SkypetoSkype) and bidirectional instant messaging. Also contact lists.” (MINIATURE HERO) • “Find private photographs of targets on Facebook” (SPRING BISHOP) • “A tool that will permanently disable a target’s account on their computer” (ANGRY PIRATE) • “Ability to artificially increase traffic to a website” (GATEWAY) and “ability to inflate page views on websites” (SLIPSTREAM) • “Amplification of a given message, normally video, on popular multimedia websites (Youtube)” (GESTATOR) • “Targeted Denial Of Service against Web Servers” (PREDATORS FACE) and “Distributed denial of service using P2P. Built by ICTR, deployed by JTRIG” (ROLLING THUNDER)

A group of Chinese computer scientists from academia and industry have published a paper documenting a tool for fooling facial recognition software by shining hat-brim-mounted infrared LEDs on the user's face, projecting CCTV-visible, human-eye-invisible shapes designed to fool the face recognition software. The tactic lets the attacker specify which face the categorizer should "see" -- the researchers were able to trick the software into recognizing arbitrary faces as belonging to the musician Moby, the Korean politician Hoi-Chang and others.

A US District Judge in San Jose, California says she was "disturbed" over Google's data collection practices, after learning that the company still collects and uses data from users in its Chrome browser's so-called 'incognito' mode - and has demanded an explanation "about what exactly Google does," according to Bloomberg.

In a class-action lawsuit that describes the company's private browsing claims as a "ruse" - and "seeks $5,000 in damages for each of the millions of people whose privacy has been compromised since June of 2016," US District Judge Lucy Koh said she finds it "unusual" that the company would make the "extra effort" to gather user data if it doesn't actually use the information for targeted advertising or to build user profiles.Koh has a long history with the Alphabet Inc. subsidiary, previously forcing the Mountain View, California-based company to disclose its scanning of emails for the purposes of targeted advertising and profile building.In this case, Google is accused of relying on pieces of its code within websites that use its analytics and advertising services to scrape users’ supposedly private browsing history and send copies of it to Google’s servers. Google makes it seem like private browsing mode gives users more control of their data, Amanda Bonn, a lawyer representing users, told Koh. In reality, “Google is saying there’s basically very little you can do to prevent us from collecting your data, and that’s what you should assume we’re doing,” Bonn said.Andrew Schapiro, a lawyer for Google, argued the company’s privacy policy “expressly discloses” its practices. “The data collection at issue is disclosed,” he said.Another lawyer for Google, Stephen Broome, said website owners who contract with the company to use its analytics or other services are well aware of the data collection described in the suit. -Bloomberg

Koh isn't buying it - arguing that the company is effectively tricking users under the impression that their information is not being transmitted to the company."I want a declaration from Google on what information they’re collecting on users to the court’s website, and what that’s used for," Koh demanded.The case is Brown v. Google, 20-cv-03664, U.S. District Court, Northern District of California (San Jose), via Bloomberg.